QUESTION 21 Calculate the mass percent composition of sulfur in Al 2(SO 4) 3. O 9.372 % O 21.38 % O 35.97 % O 42.73 % O 28.12 % QUESTION 22 Calculate the mass percent composition of lithium in Li 3PO 4. 30.72 % 26.75 % 55.27 % 20.82 % 17.98 % QUESTION 23 How many moles of nitrogen are contained in 0.375 moles of Ni(NO 3) 2? 2.25 moles 0.375 moles 68.5 moles O 0.750 moles O 1.13 moles

QUESTION 21 Calculate the mass percent composition of sulfur in Al 2(SO 4) 3. O 9.372 % O 21.38 % O 35.97 % O 42.73 % O 28.12 % QUESTION 22 Calculate the mass percent composition of lithium in Li 3PO 4. 30.72 % 26.75 % 55.27 % 20.82 % 17.98 % QUESTION 23 How many moles of nitrogen are contained in 0.375 moles of Ni(NO 3) 2? 2.25 moles 0.375 moles 68.5 moles O 0.750 moles O 1.13 moles

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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Question

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21. 22. 23.

QUESTION 21
Calculate the mass percent composition of sulfur in Al 2(SO 4) 3-
O 9.372 %
O 21.38 %
O 35.97 %
O 42.73 %
O 28.12 %
QUESTION 22
Calculate the mass percent composition of lithium in Li 3PO 4.
30.72 %
26.75 %
55.27 %
20.82 %
17.98 %
QUESTION 23
How many moles of nitrogen are contained in 0.375 moles of Ni(NO 3) 2?
2.25 moles
0.375 moles
68.5 moles
O 0.750 moles
O 1.13 moles

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