The temperature of your water was 22.4 degrees Celsius. The volume of hydrogen collected was 35.5 mL. The atmospheric pressure in the lab room was 28.32 inches Hg. The difference in the water level between the beaker and the burette is 15.9 cm. What was the mass of the magnesium ribbon used? The vapor pressure of water at 22.4 degrees Celsius is 20.32 torr.  Hint: 2 HCl(aq) + Mg(aq) = H2(g) + MgCl2(aq

Chemistry: Principles and Reactions
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ISBN:9781305079373
Author:William L. Masterton, Cecile N. Hurley
Publisher:William L. Masterton, Cecile N. Hurley
Chapter5: Gases
Section: Chapter Questions
Problem 72QAP
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The temperature of your water was 22.4 degrees Celsius. The volume of hydrogen collected was 35.5 mL. The atmospheric pressure in the lab room was 28.32 inches Hg. The difference in the water level between the beaker and the burette is 15.9 cm. What was the mass of the magnesium ribbon used? The vapor pressure of water at 22.4 degrees Celsius is 20.32 torr. 

Hint: 2 HCl(aq) + Mg(aq) = H2(g) + MgCl2(aq

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