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chemical engineering stoichiometry
1. The molar composition of a gas is 10% H2, 10% O2, 30% CO2 and balance H2O. If 50% H2O condenses, the final mole percent of H2 in the gas on a dry basis will be
(A): 10%
(B): 18.18%
(C): 20%
(D): 5%
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