How Many Liters of Hydrogen Gas Can Be Generated by Reacting

question 95

Multiple Choice

How many liters of hydrogen gas can be generated by reacting 6.25 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)148 L
• B)0)540 L
• C)1)08 L
• D)2)17 L

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