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How many liters of oxygen gas are required to react completely with 1.2 liters of hydrogen gas to form water?

User Hibernado
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2 Answers

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Answer should be: 0.6 L

Hope this helps!

User JAAD
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2H2 + O2 ----> 2H2O
2 mol 1 mol
1.2 L x L

For gases under the same conditions we can write
2 mol H2 / 1 mol O2 = 1.2 L H2 / x L O2

x=1.2*1/2=0.6 L O2
User Raynos
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