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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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Enni Cortu Enni Cortu
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5 years ago
How many grams of water are required to produce 6.50 L of hydrogen gas at 25.0C 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
Textbook 
Chemistry: A Molecular Approach

Chemistry: A Molecular Approach


Edition: 4th
Author:
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Sunni_raeSunni_rae
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Anonymous
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A year ago
How many grams of zinc reacting with HCl are necessary to produce 5.00 L of hydrogen gas at 25.0C and a pressure of 755 torr? The water vapour pressure at this temperature is 23.76 mm Hg. The gas and water levels are equal at the time of colelction.
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