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How Many Grams of Water Are Required to Produce 6

Question 49

Multiple Choice

How many grams of water are required to produce 6.50 L of hydrogen gas at 25.0°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) 2) 38 g
B) 4) 75 g
C) 4) 81 g
D) 9) 50 g

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