Question

A vessel contains equal masses of hydrogen and Helium. the fraction of partial pressure of hydrogen in the mixture is​

Answer 1

Answer:

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Explanation:

1. Let the mass of all three gases be m.

Number of moles of H2 = given massmolar mass=m2

Number of moles of He = m4

Number of moles of CH4 = m16

2. Mole fractions:

Total moles = m2+m4+m16=13m16χH2 = m213m16=813χHe = m413m16=413χCH4 =m1613m16=113

3. Partial pressure:

pH2 = χH2 ×P = 8p13pHe =4p13pCH4 = p13