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April 1, 2015

Homework Help: chemistry

Posted by shadow on Tuesday, November 19, 2013 at 4:59pm.

Hydrogen gas can produced by the reaction between metallic aluminum and aqueous hydrochloric acid

2Al+6HCl----2AlCl3+3H2

Hydrogen gas produced by this reaction is typically collected via water displacement, during which time the hydrogen gas becomes saturated with water vapor. If 271.6 mL of gas with a total pressure 1.03 atm was collected via water displacement at 29.4 C, what is the partial pressure of hydrogen gas in the sample? How many grams of aluminum must have reacted to produce this quantity of hydrogen gas? The vapor pressure of water at 29.4 C is 30.75 torr.

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