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1. How many ml of H2SO4 (MW=98; SG=1.84g/ml; % assay=96) are needed to prepare 1.5 liters of 0.25N acid?

10.4

17.6

20.8

27.7

2. How many grams of H3PO4 (MW=98) are required to prepare 500ml of a 3N solution?

49

73.5

147

294

3. How many grams of CaCl2 (MW=111) are required to make 1.25 liters of a 0.7N solution?

194.2

97.1

48.6

55.49

4. How many ml of H2SO4 ( MW=98, SG=1.84g/ml, % assay=96) are required to make 250ml of a 1.6N solution?

11.0

39.2

38.4

69.6

5. How many grams of barium hydroxide [Ba(OH)2] {MW=171.35} are required to prepare 650ml of a 2.5N solution?

139.2

278.4

555.8

214.2

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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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