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How Many Grams of Water Are Required to Produce 5

Question 170

Multiple Choice

How many grams of water are required to produce 5.50 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) 01 g
B) 4) 02 g
C) 4) 07 g
D) 8) 04 g

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