-

 Hydrogen gas is produced by the reaction between metallic aluminum and aqueous hydrochloric acid.
2Al(s)+6HCl(aq)⟶2
AlCl
3
(aq)+3
H
2
(g)
The hydrogen gas produced by this reaction is typically collected via water displacement. During this process, the hydrogen gas becomes saturated with water vapor. If
292.0
 mL of gas with a total pressure of
1.33
 atm is collected via water displacement at
29.4
 ∘
C
, what is the partial pressure of the hydrogen gas in the sample? The vapor pressure of water at
29.4
 ∘
C
 is
30.75
 torr.

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