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1. What is the molarity of a solution in which 35 ml of acetic acid (MW=60.05; SG=1.05g/ml; % assay=99) are added to water to give a final volume of 2.25 liters?

0.027

1.37

0.61

0.27

2. What is the molarity of a solution in which 125 ml of sulfuric acid (MW=98.08; SG=1.84g/ml; % assay=96) are added to water to give a final volume of 1.5 liters?

0.016

1.5

0.037

0.15

3. 25 grams of Al(OH)3(MW=78) are added to 2.25 liters of water. What is the molarity of this solution?

1.39

0.72

0.14

7.02

4. How many ml of NH4OH (MW=35.05; SG=0.9; % assay=28) are needed to prepare 3.25 liters of 4 M base?

410.09

1808.1

455.6

127.6

5. Calculate the number of grams of solute required for the preparation of 1.5 liters of 0.32M NaHCO3 (MW=84.01).

26.88

40.32

126.01

38.4

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The original RandomQuiz Script v2.1.11 is copyright 1998-2003 by Kristina Pfaff-Harris and can be found at http://www.tesol.net/scripts/
Revisions to the Original Randomquiz Script done by Thomas B. Wiggers, Associate Professor, February 2008

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All course content material, layouts, and examination items are Copyright © 2008 Thomas B. Wiggers.

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