Hydrogen gas is produced by the reaction between metallic aluminum and aqueous hydrochloric acid. 2 Al(s) + 6 HCl(aq) →→→ 2 AlCl3 (aq) + 3 H₂(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 280.5 mL of gas with a total pressure of 1.14 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. atm PH₂ = How many grams of aluminum must have reacted to produce this quantity of hydrogen gas? mass of aluminum:

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