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How many liters of oxygen are required to react completely with 2.4 liters of hydrogen to form water? H2 + O2--> H2O?
7 years ago

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Steve
Balance the equation:

2H2+O2 = 2H2O

So, you have half as many moles of O2 as of H2

So, 1/2 the volume.
7 years ago

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