**Chapter 7 WS #2****Ch. 7-2 pg. 236 pp#1-2: Average Atomic Mass**1. Find the average atomic mass of Ga if 60.00% has a mass of 68.926 amu & 40.00% a mass of 70.925 amu. Calculation: \(68.926 \times 0.60 + x \times (1 - 0.60) = 69.73 \text{ amu}\) **Answer:** 69.73 amu2. Find the average atomic mass of \(O_2\) if 99.76% = 15.99 amu, 0.038% = 17.00 amu, & 0.20% of it is 18.00 amu. **Answer:** 15.99 amu**Ch. 7.2 p. 253**42. Find the average atomic mass of Ag if 51.35% is 106.9050 amu and the rest is 108.9045 amu. **Answer:** 107.88 amu---**CH. 7-2 pg. 239 pp#1 Molar Mass**Find the molar mass for each of the following compounds:- CsI: 259.8 g/mol- \(C_{12}H_{22}O_{11}\): 342.3 g/mol- \(I_2\): 253.8 g/mol- \(Mg_3(PO_4)_2\): 262.9 g/mol**CH. 7-2 pg. 239 pp#2**Write the formula and then find the molar mass for the following:- Cerium hexaboride \(CeB_6\): 204.98 g/mol- Aluminum sulfate \(Al_2(SO_4)_3\): 342.17 g/mol- Iron (III) hydroxide \(Fe(OH)_3\): 106.87 g/mol- Tin(II) chloride \(SnCl_2\): 189.6 g/mol- Tetraphosphorus decoxide \(P_4O_{10}\): 141.94 g/mol**Ch. 7-2 SR pg. 240 pp#11

Answered: Image /qna-images/answer/60fe662b-1c24-4b49-9b3d-0080fb4877c9.jpg

Ch. 7-2 pg. 236 pp#1-2: Average Atomic Mass Find avg at mass Ga if 60.00% has mass 68.926 amu & 40.00% a mass of 70.925 amu. Ans.: = 69.73 amu 68.926 0.6 oll+x-(1-0.6011)= 69.73 amu 2. Find avg O, if 99.76% = 15.99amu, 0.038% = 17.00 amu, & 0.20% of it is18.00 amu. Ans.: = 15,99 %3D 44amu Ch. 7.2 p. 253, 42. Find avg at mass Ag if 51.35% is 106.9050 amu and the rest is 108.9045 amu. Ans. = 107.88 amu.

Ch. 7-2 pg. 236 pp#1-2: Average Atomic Mass Find avg at mass Ga if 60.00% has mass 68.926 amu & 40.00% a mass of 70.925 amu. Ans.: = 69.73 amu 68.926 0.6 oll+x-(1-0.6011)= 69.73 amu 2. Find avg O, if 99.76% = 15.99amu, 0.038% = 17.00 amu, & 0.20% of it is18.00 amu. Ans.: = 15,99 %3D 44amu Ch. 7.2 p. 253, 42. Find avg at mass Ag if 51.35% is 106.9050 amu and the rest is 108.9045 amu. Ans. = 107.88 amu.

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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