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d. 59.1% Ca(OH)2 + HF ===> CaF2+ HOH Which of the following is an example of an observation? 11. a-Calculate the mass in grams of 2.5 moles of calcium. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. E = a. d. 81.63 mmHg b. e. basic, For a chemical reaction to be spontaneous at all temperatures, which conditions must be met? Which is the strongest acid? Plastic Please give the best Newman projection looking down C8-C9. c. 8 Select one: e. Cellulose. So this is going to be one g divided by the molar mass of magnesium hydroxide which is 85 point 3 2 g per more. What is defined as the number of atoms surrounding an atom in a crystal lattice and indicates how tightly the atoms are packed together? Select one: Complete the table below:if " = ICu = 2 =)(- + f-")fnifn 2 3all steps1265Theorem:[Calculus, infnite power series for e ]e" =CXofinite number of terms from that infinite series, s0 uses polynomial Pn(z) of some degree - computer Or calculator can only usee" ~ Pn(z) = Ci= 1We will focus on getting good approximation of below:=e-1 ~ Pa(-l)plz)Pn(-1)rounded B(-I- 10000 +0.6321 0.0000 0.3679 0.5000 +0.1321 00S45 +20071 0.3665 3,00121+I 1+2+ 2*, (2 + 2 +*)4 1+2+ =(6+ 62+314 +1&quo. Capillary tube is used in "coffee cUp calorimeter" experiment Indicator is used in "stoichiometry" experiment Mass balance is used in all CHEICOI laboratory experiments. a. a. Select one: a. Hexane-heptane a. And now we said we multiply with 120.36 g per more. (You can select multiple answers if you think so) Your answer: Actual yield is calculated experimentally and gives an idea about the succeed of an experiment when compared t0 theoretical yield. (NA = 6.022 1023 mol-1) d. 346 torr b. Atomic weight is a weighted average of the mass of all the atoms of an element, based on the abundance of isotopes. a. When a sample of benzoic acid is dissolved in ether, the vapor pressure of the solution is 342 torr. c. 3.45 kJ/mol The correct answer is: a double covalent bond. Given: Hi-6m and H-4m. c. 9.27 10-23 g What is the [H3O+] for a 0.20 M solution of picric acid? 6.02 1023 g c. Na+ and K+ d. 0.1 M MgSO4 If you look at . The answer is 74.9216. In Figure $16-22,$ point out the mutant protein $(\mathrm{s})$ in patients with Cockayne syndrome. b. BrF2 Which of these describes the amount of energy required to remove an electron from an atom? Note that, each element may contain more isotopes, therefore this resulting atomic mass is calculated from naturally-occuring isotopes and their abundance. 4s Project The required tasks are detailed below: (1) Prepare vertical common-size income statements and balance sheets for both companies. b. upper right, lower left What is the average mass, in grams, of one arsenic atom? b. Arsenic, Smaller mass is 74.9 grams per mole. (The mass of one mole of arsenic is (The mass of one mole of arsenic is A: Answer:- Firstly using the given number of atoms of arsenic, moles are calculated. The nucleus is composed of protons and neutrons. Select one: e. its ability to catenate. Select one: e. Te, What is defined as the number of waves that pass through a particular point in one second? + whereand are constants: Calculate the values of these constants. a. the unit cell c. Cl- 6 moles Arsenic to grams = 449.5296 grams. Arsenic - Periodic Table and Atomic Properties Calculate the mass of 3.00 moles of CF2Cl2. chem 1411 exam 2 - ch 5 Flashcards | Quizlet What is the mass, in grams, of #3.75 xx 10^15# atoms of gold? a. b. b. Al(s) + 3Na+(aq) Al3+(aq) + 3Na(s) b. the liquid level in a capillary tube will rise above the surrounding liquid and the surface in the capillary tube will have a concave meniscus. c. BaO b. The molecular weight of arsenic is 75, so one mole of As atoms has a mass of 75 grams. a. B3+ How many grams are in 238 moles of arsenic? - Study.com 67.8 g -1.22 103 kJ/mol e. 0.29, Estimate the age of a bottled wine that has a tritium, 3H, content 60% that of freshly bottled wine. Number of grams = 1.941g How Grams To Atoms Calculator Works? Temperature IfX is the associated random variable, what is E(X)? . Calcium fluoride, CaF2, is a source of fluorine and is used to fluoridate drinking water. Select one: Select one: If 12.23 g of bromomethane are produced when 5.00 g of methanol is reacted with excess HBr, what is the percentage yield? b. d. a total of 8 2 = 16 electron dots. d. 40 torr 21.9 kJ/mol . e. K+ and Cl-, What products are formed from the reaction of Cl2(g) with I-(aq)? a. Which of the following is the empirical formula for hexane, C6H14? Select one: So four. d. 2.29 10-15 s-1 Select one: e. energy content of neither system nor surroundings changes. 61 g So we're given one grab of another hydroxide and 24 millimeters of 0.5 molar concentration of H two S. 04 I mean we want to cover both of these into most that we can actually compare them. (R = 8.314 J/K mol) Select one: Nickel - Atomic Number - Atomic Mass - Density of Nickel The segment c. K2MnO4 7.4 yr Atomic mass of Arsenic is 74.9216 u. Sources, facts, uses, scarcity (SRI), podcasts, alchemical symbols, videos and images. b. an effective antidote for heavy metal poisoning (e.g., Pb2+ and Hg2+). Select one: e. -198 kJ/mol, What is the oxidizing agent in the (unbalanced) reaction?Cu(s) + H+(aq) + NO3-(aq) NO(g) + H2O(l) + Cu2+(aq) e. 9, The vapor pressure of ethanol is 400. mmHg at 63.5C. The correct answer is: a. Na2O c. 0.15 M c. C a. Which of the following ligands has two different types of donor atoms? C)Ionization Energy . Assume that the solute addition does not significantly change the volume of liquid in the beaker. Id give a reason for your bo cac" the defir Biochem/pH review 1. One mole of titanium (6 1023 atoms) has a mass of 48 grams, and its density is 4.54 grams per cubic centimeter, so the center-to-center distance between atoms is 2.60 10-10 m. You have a long thin bar of titanium, 3.0 m long, with a square cross section, 0.15 cm on a side. Select one: You can specify conditions of storing and accessing cookies in your browser. d. A salt bridge allows the electrolyte solution to siphon from one side of the cell to the other so the levels remain equal. So first we need to go from grams to moles. (R = 8.314 J/K mol) (The following information applies to the questions displayed below.] b. PVC hence, mass of 1 atom of arsenic is 1.2441023 X 10-22. Select one: Select one: The correct answer is: one carboxylic acid group and one amino group. The nineteenth century chemists arranged elements in the periodic table according to increasing Select one: a. atomic number. What new isotope is also formed? e. 165.93 mmHg. c. 212 mL PDF Chapter 3: Mass Relationships in Chemical Reactions - Prexams HCL. Input: From the top bar, select whether you want to convert atoms to grams or grams to atoms The pH of a solution of Mg(OHJz is measured as 10.0 and the Ksp of Mg(OH)z is 5.6x 10-12 moles?/L3, Calculate the concentration of Mg2+ millimoles/L. e. n2. 1.55 In this question, we need to calculate the mass of magnesium sulfate that will form when we start off with one g of magnesium hydroxide and 0.605g of sulphuric asset. d. Period 7 d. C6H6 Select one: Group 1A 53 Li a. DNA d. Solutions A and B have the same vapor pressure and it is higher than the vapor pressure of solution C. One unified atomic mass unit is approximately the mass of one nucleon (either a single proton or neutron) and is numerically equivalent to 1 g/mol. Arsenic is a metalloid, meaning it shares some characteristics with metals, and some with non-metals. e. NH4+. e. the atoms themselves, The correct answer is: the coordination number, Iron crystallizes in the body-centered cubic lattice. That's what we're given 2.5 grams. a. Carbon monoxide is produced by incomplete combustion of fossil fuels. d. H3PO4 A zinc (Zn) atom will have a mass of D. 1.09 x 10-22 g. What is the mass in grams of one arsenic atom? Calculate the molecular or formula mass of rubidium carbonate, Rb2CO3. Hope this helps! a. H3C-CH2-C-OH MOLE PARTICLE (ATOM) MASS (g) 1 mole = molar mass (look it up on the PT!) Although the problem was worked using carbon (the element upon which Avogadro's number is based), you can use the same method to solve for the mass of an atom or molecule. b. an atom is the smallest part of an element; ex-all carbon is made up of all carbon atoms and can't be browken down into anything else but carbon. We got 0.125 rolls of H two. a. K What is the mass of one atom of magnesium in grams? a. Cookies collect information about your preferences and your devices and are used to make the site work as you expect it to, to understand how you interact with the site, and to show advertisements that are targeted to your interests. Convert moles Arsenic to grams - Conversion of Measurement Units tan Opposite Adjacent vsin(0 Vcos( Let ^ = and T : R' _ R'be thc lincar transformation dcfincd by :)-[:] 2 and find thcir algcbraic multiplicitics Show that the only cigcnvalucs of A arc (b) The cigenspace associated to cigcnwaluc A = 0 is e= "{L: I} Find basis for the cigcuspace Ez associated t0 cigcnvaluc A = 2 [Nutb Id give a reason for your bo cac" the defir Biochem/pH review 1. Select one: The solubility of a gas increases as the temperature decreases. This relation is then used to 'convert' a carbon atom to grams by the ratio: mass of 1 atom / 1 atom = mass of a mole of atoms / 6.022 x 1023 atoms. c. magnitude d. Mixing powdered charcoal and oxygen at room temperature 15 p, 16 n, 15 e 34.0 mol . 4 Its molar heat of vaporization is 39.3 kJ/mol. -CH2CHCH2CHCH2CH- a. Cu e. Heterogeneous mixture. The formula weight is simply the weight in atomic mass units of all the atoms in a given formula. (The mass of one mole of arsenic is (The mass of one mole of arsenic is A: Given : number of arsenic atoms = 3.00 X 1021 atoms mass of 1 mole of arsenic = 74.92 g a. R-CH2-C-NH2 Which one of these species is an ion? So clearly the second attempt gave the least amount of product. a. Zn2+ and Cu2+ Find all second-order partial derivatives of the given function:2 = 6xln(xty), Wrilo and simplfy Iho Intogrnl thol Oros Iho arc Ionguh ol tho lollowing curvo on Iho pivon Inlocvul nocotanry: 4to {ochnokrly lo nvalunto approxrato Iho intogml(3*), for 0sx* 2Sot up tho intagral Ihat gos Iho ara longth &l Iho curvo; Soloct tho corroct colco bolow nnd 6il In tho unorur bax la comploto your cholco. (90 points) WOTe D WAQ fubonq wolem Iliw bujocutos doidw obinob (A Clzlno xus I5wjoqro) TOI matEd9em Cl_ (atrtiog 08} CI' "Cl Cl- "Cl 6420 HOsHO HO HOO Ieen, What is the IUPAC name of the following compound? Sturting with 4.00 Eor 32P ,how many Orama will remain altcr 420 dayu Exprett your anawer numerlcally grami VleY Avallable HInt(e) ASP, Which of the following statements is true (You can select multiple answers if you think so) Your answer: Actual yield is calculated experimentally and gives an idea about the succeed of an experiment when compared to theoretical yield: In acid base titration experiment; our scope is finding unknown concentration of an acid or base: In the coffee cup experiment; energy change is identified when the indicator changes its colour: Pycnometer bottle has special design with capillary hole through the. What is the coefficient of H2O when the following equation is properly balanced with the smallest set of whole numbers?___ Al4C3 + ___ H2O ___ Al(OH)3 + ___ CH4 a. NH3 represents the polymer named b. d. 2Al3+(aq) + 3Cu(s) 3Cu2+(aq) + 2Al(s) Px. one mole = 6.0210 atoms So number of moles of arsenic are 1 mol. B) Beaker #1 because it contains more moles of sulfur atoms versus the number of moles of arsenic atoms in Beaker #2. Calculate its formula mass. a. Turning hair yellow with bleach pyridinium chlorochromate OH OH CO_, B) One of these two molecules will undergo E2 elimination "Q reaction 7000 times faster. It makes working with atoms easier because we work with moles rather than individual atoms. b. polystyrene. A year ago, you purchased 300 shares of Stellar Wood Products, Inc. stock at a price of $8.62 per share. a. Select one: d. wavelength Tritium decays by beta decay and has a half-life of 12.3 yr. Periodic Table. c. P(0) - 0 3. Circle correct conclusion_There is sufficient evidence to support the alternative hypothesis_ 2) There is insufficient evidence to support the alternative hypothesis_ 3) There is sufficient evidence to support the null hypothesis.There is insufficient evidence t0 support the null hypothesis. So this is 1/1. For example, one atom of helium-4 has a mass of 4.0026 amu. d. 14C You can view more details on each measurement unit: molecular weight of Arsenic or mol The molecular formula for Arsenic is As. 2.5 grams Li 1 mole = 0.36 mol 6.9 g 4. b. the radius of the cubic cell According to the strict geometric co efficiency. c. ICl3 Both atomic mass and atomic weight rely on the atomic mass unit (amu), which is 1/12th the mass of an atom of . a. acidic )Find the probability that a package will weight more than .9325g. a. 40.8C Thus, one mole of sodium weighs 23.0 g or one tenth of a mole of sodium weighs 2.3 g. 4. What is the average mass_ in grams, of one arsenic atom? Determine the mass in grams of 2.71 x 10^21 atoms of arsenic if the mass of one mole is 74.92g See answer Hello there! a. fats A given number of Arsenic atoms was 2.11e21 (or 2.11x10^21, e and x10^# mean the same thing). e. Not enough information is given to determine which solution has the highest vapor pressure. In a spontaneous exothermic process, e. 82.4C, Which of the following elements has the largest number of unpaired electrons in the ground state? Show that a. P.(-x) =(-1)*P(x) b. Select all that apply OH, Question 5 The following molecule can be found in two forms: IR,2S,SR- stereoisomer and 1S,2R,SR-stereoisomer (OH functional group is on carbon 1) Draw both structures in planar (2D) and all chair conformations. Determine identity of an element from a binary formula and mass data (You can see ect multiple answers if you think so) Your answer: Volumetric flask is used for preparing solutions and it has moderate estimate f the volume_ Capillary tube used in "coffee cup calorimeter" experiment: Indicator is used in "stoichiometry" experiment: Mass balance is used in all CHE1OO1 laboratory experiments Heating function of the hot plate is used in "changes of state' and "soap experiments_, 1 moleeuiet 1 Henci 1 1 olin, L Marvin JS 4h, A titration experiment is conducted in order to find the percent of NaHCOz In= baking powder package. Select one: Select one: 12. What is the average mass_ in grams, of one arsenic atom?13 (The mass of one mole of arsenic is 74.92 g.) 3.0010^21 atoms of As 1 mol As 6.02210^23atomsofAs74.92gAs1molAs=0.373gAs Determine the formula weight of KBr. e. 15.85, What is [OH-] for a solution at 25C that has [H3O+] = 2.35 10-3 M? Example: has a total valence state of 0 (3x(+1) for the hydrogen atoms; 1x(+3) for the arsenic(III) atom; 3x(-2) for the oxygen atoms = 3+3-6 = 0). d. R-CH-NH2 b. Sb An atomic mass unit is defined as a mass equal to one twelfth of an atom of carbon-12. 4.34 105 s-1 2 moles Arsenic to grams = 149.8432 grams. Now, in order to go from moles to grams, you need to use the molar mass of the compound, i.e. 10.0 lb d. system heats up but there is not change in the energy of surroundings. c. Three samples of wax are heated to 75C. What is the mass of a single atom? - KnowledgeBurrow.com What protein(s) is/are mutant in patients with XP? e. 246 kJ. See Answer b. Starch Absolutely not Definitely yes 1 To find a mass. (p = proton, n = neutron, e = electron) 0.1 M CaCl2 d. -A-A-A-B-B-A-A-A-B-B- May anybody who is good at the Human Resources in Health Care Organizations class help me with the assignment below. e. Coagulation, Enflurane is an effective gaseous anesthetic with relatively low flammability. 4.26 10-5 M b. 2 c. Pb 2. True or false? Given that the atomic mass of arsenic is 74.92 g/mol, an The . Pycnometer bottle has special design with capillary, Which of the following molecules could be formed via PCC (pyridinium chlorochromate) oxidation of a secondary (29) alcoholin _ polar aprotic solvent? Multiply by the number of moles we calculated. a. Boiling water to form steam Select one: -$1,372 C. -$1,5 Cx' , 0sxs3 Let f(x) = 0, elsewhere 5. d. 8.23 1014 s-1 c. 6 Use a balance sheet to keep track of the number of elements. From the formula (H2O), you know there are two hydrogen atoms and one oxygen atom. e. > 1015 s-1, Calculate the frequency of visible light having a wavelength of 686 nm. So four there will be six most of the ratio produced and actually covered the most of HBO into grams as well. The vapor pressure of a solvent over a solution decreases as its mole fraction increases. Atomic Mass of Arsenic. b. number of electrons. If the rope makes an angle of 30 with the positive x-axis and the coefficient of kinetic friction between the crate and ground is 0.560. Answered: The identity of an unknown monoprotic | bartleby CH;CH CH CH,CH-CH_ HI Peroxide CH;CH,CH-CHz HBr ANSWER: CH;CH,CH,CH-CH; HBr Peroxide cH;CH_CH-CH; HCI Peroxide CH;CH CH CH,CH-CH_ 12 Peroxide CH;CH_CH-CH_ HCI CH;CH-CH; K,O C2 CH;CH,CH,CH-CH; BI2 Peroxide CH;CH_CH-CHCH_CH; HBr Peroxide. c.H3C-CH2-C-CH3 d. Si Which one of these represents a chemical change? Element a. ICl 65.39 g 1.09 x 10-22 8 3.94 x 10258 65.39 amu. e. 0.7917 kg, Which of the following aqueous solutions should demonstrate the most ideal behavior? One atomic mass unit is equal to 1.66 x 10-24 grams. So this is gonna be more mold conversions. Find the mass of 4.8moles of iron. There are seven non-metals that are diatomic. And we can therefore say that um the so for a gas it is the limiting reactant in this case so so freak as it. Barium is a nonmetal. L. Er screen times strangled over Approximately 78 grants the L. A. P. H. D. You can find this by going on the periodic table in any of the talent masses and only a 0.128 boats of a Girlish street. It's easy to find the mass of a single atom using Avogadro's number. a. (70 points) OH. b. Polymer all the columns for the element calcium are filled out correctly. Sorry the number of moles of magnesium sulfate from the number of moles of magnesium hydroxide. a. LDPE e. 35 yr, Which is an incorrect representation of the indicated particle or nucleus? b. a. KMnO3 The atomic mass is the mass of an atom. (NA = 6.022 x 1023 mol ) Multiple Choice o o 1.24 x 10-22 33.00 < Prev 8 of 25 Next > J BABE SPECIK This problem has been solved! A number of moles of magnesium sulfate is going to be the same as the number of moles of. e. Srxn = 0, Hrxn = 0, The correct answer is: Srxn > 0, Hrxn < 0. 0.022 M 4.37 1014 s-1 c. 40.9% c. NH4+ -True. *Find thrce rcal numbers whose sum is and the sum of whosc squares is ;s small as possible. e. AlCl3, Below is a representation of pure liquid HX, an amphoteric substance, at equilibrium. So the mole ratio here is going to be 1/1. So their most off sodium bicarbonate he posed to the Mass, divided by a smaller mess. a. d. 712 J/mol Solve the IVP Q2) Solve the IVP. B)Electronegativity. b. KMnO4 a. e. transition element, main group, The correct answer is: upper right, lower left, Which of the following is a metalloid? What is Arsenic - Properties of Arsenic Element - Symbol As CH3 CH3 CH3 :(} 4. b. Hypothesis e. None of the will occur. What is the average mass in grams of one Zn atom chegg? a. acidic 1.66 10-24 g c. Br2F3 What is the mass in grams of 5.45 10 atoms of arsenic? The mass of c. lower left, upper right Grams to Atoms Calculator - Free online Calculator - BYJUS b. Paraffin wax begins to melt at 57C. Which statement is false? And we saw that in the case of the sulphuric acid um This limits the mass of magnesium sulfate that can form. An unpolarized beam of light with intensity 10 = 98.8 lux is incident on three ideal polarizing filters (lux = 2.). d. 0.20 M Science Final Review Flashcards | Chegg.com a. e. None of the answers is correct. The atomic mass is used to covert between grams and moles. So let's compare this massive magnesium sulfate with the mass that formed when we started off with magnesium hydroxide. Find the mass, in cg, of 3.25 x 1021 atoms of lithium. d. 12.45 Does this match the bond order predicted by the electron-dot structure? Use Rodrigue's formula to calculate P (4) Circle correct conclusion_ There is sufficient evidence to support the alternative hypothesis_ 2) There is insufficient evidence to support the alternative hypothesis_ 3) There is sufficient evidence to support the null hypothesis. (For water, Kf = 1.86 C/m.) Select one: So a mole of an H. C. 03 is 84.2 grams. A) H2S B) SO2 C) SCl2 D) H2SO3 E) Na2SO4 E) Na2SO4 A 250. mL sample of 0.0328M HCl is partially neutralized by the addition of 100. mL of 0.0245M NaOH. 54 torr c. ionic bonding b. Cl- and S b. Alkanation Law (You can select multiple answers if you think so) Your answer: Volumetric flask is used for preparing solutions and it has moderate estimate of the volume. (1lb = 453.6 g) Find P(X > 2) A stone is thrown horizontally at 15 m/s from the top ofa cliff 44 m high; 8 Y How long does it take the stone to reach the bottom of the cliff? Carbon monoxide is produced by incomplete combustion of fossil fuels. 2NH3(g) + 5F2(g) N2F4(g) + 6HF(g)How many moles of NH3 are needed to react completely with 13.6 mol of F2? a. not useful as a chelating agent. e. 43.9140 g, Which of the following is a nonmetal? What is the intermolecular force that exists between a magnesium ion and hydrogen sulfide? Radical polymerization Chem Test 3 (Chapter 5 & 6) Flashcards | Quizlet Therefore this resulting atomic mass is calculated from naturally-occurring isotopes and their abundance. So now we're going to wear a gun problem. d-Calculate the mass in grams of one calcium atom. b. Roasting c. a monodentate ligand. 1.48 10-24 g Molar Mass: the mass of one mole of an element CONVERSION FACTORS: 1 mole = 6.02 x 1023 atoms 1 mole = atomic mass (g) . What is the vapor pressure above a solution prepared by dissolving 0.500 mol of a nonvolatile solute in 275 g of hexane (86.18 g/mol) at 49.6C? 100Prac Exam 1F03 1-1 - practice notes - Metric System : The basic unit Now that you know how many mol of chlorine 3x10 24 atoms is equal to, you can use the molar mass to convert from mol to grams. Now to find the actual limiting, we actually want to divide by the balance equation numbers at the top and compare them. 0.0169 d. Amino acid The given problem will solve by using Avogadro number. c. system loses energy while surroundings heat up. One mole of carbon is 6.022 x 1023 atoms of carbon (Avogadro's number). And now we want to find a mass of Htoo produced. what is the mass in grams of one arsenic atom. Select one: d. 116 mL Relative atomic mass The mass of an atom relative to that of carbon-12. Select one: The same process works for finding the mass of one molecule. S 4 c. 16 p, 31 n, 16 e a. Next you want to multiply by the molar mass that was given to us (74.92g/mol of Arsenic). e. 16 p, 16 n, 15 e, Which of the following is a metalloid? d. Ether + where and are constants: Calculate the values of will give less Idd-numbered homework and practice to and fewer easy problems sents what you will understand - find the material before responsibility to on the exam: This is to prepare determine how you doing the optional you study and what material ework practice and odd-numbered problems you nn Sign Save Homework: Chapter 14 Material Requirements Planning erations Score: 0 of 1 pt 15 of 20 (10 complete) HW Score: 42.75%, 8.55 of 20 pts Problem 14.20 - Bookmatch Question Help You need to schedule 10 units of product Alpha for delivery in 6 weeks. b. Bromine, Br, Z = 35 A) Beaker #1 because one sulfur atom weighs less than one arsenic atom so you need more of the sulfur atoms to fill the beaker. a. b. c. J. J. Thomson d. Bismuth, Bi, Z = 83 If 0.5 moles of hydrofloric acid ar c. From the tree Polytherium found in southeast Asia e. 72.0 lb. 3 (Each circle represents 1.0 10-3 mol of atoms, and the volume of the box is 1.0 L.)What is the autoionization constant for HX? b. Select one: d. Change only the coefficients to balance the number of atoms. Select one: Select one: c. Hydrogenation Given Cu2+(aq) + 2e- Cu(s) E = +0.34 V Al3+(aq) + 3e- Al(s) E = -1.66 V Na+(aq) + e- Na(s) E = -2.71 VWhich of the following reactions will occur? There are three on the product side. Which of the following is least helpful in balancing an equation? a. d. 55.85 g e. Ionic solutes dissociate in solution, causing an enhancement of all colligative properties. So the Miller masses 36.46 grams per mole for h c e o. c. temperature is equal to 273 K (standard temperature). So let's start with the H two S. 04 1st. Select one: [Solved] What is the mass, in grams, of one arsenic atom (N A = 6.022 x -C-N- The Parts of the Periodic Table - Angelo State University Question: What is the mass, in grams, of one arsenic atom? 1. Explanation: In order to determine the mass of one atom of an element, you must determine its molar mass, which is its atomic weight on the periodic table in g/mol, and you need to know the relationship between moles and the number of atoms: 1 mol of atoms = 6.022 1023 atoms.