A mixture of hydrogen and oxygen at one bar pressure contains 20%, by weight, of hydrogen. The partial pressure of hydrogen will be

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Question

Prashant Kotian · Accepted Answer

Correct answer: B. Moles H2 = 20/2 = 10. Moles O2 = 80/32 = 2.5. Mole fraction H2 = 10/12.5 = 0.8. P = 0.8 bar. Therefore, correct answer is B.

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