Question

if 2 moles of A and of B mixed together, then the total pressure of solutions is 176torr. if the vapour pressure of of A=200 torr, then the vapour of B is

Answer 1

Answer:

152 torr

Explanation:

XaPa + XbPb = total pressure

1/2×200 + 1/2×Pb = 176

100 + Pb/2 = 176

Pb/2 = 176-100

Pb/2 = 76

Pb = 76×2

Pb=152 torr

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