How Many Liters of Hydrogen Gas Can Be Generated by Reacting

question 9

Multiple Choice

How many liters of hydrogen gas can be generated by reacting 9.25 grams of barium hydride with water at 20°C and 755 mm Hg pressure according to the chemical equation shown below?
BaH₂(s) + 2 H₂O(l) → Ba(OH) ₂(aq) + 2 H₂(g)

• A)0)219 L
• B)0)799 L
• C)1)60 L
• D)3)21 L

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