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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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