3 moles of P and 2 moles of Q are mixed, what will be their total vapo – McqOptions

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1.	3 moles of P and 2 moles of Q are mixed, what will be their total vapour pressure in the solution if their partial vapour pressures are 80 and 60 torr respectively?
A.	80 torr
B.	140 torr
C.	72 torr
D.	70 torr
Answer» D. 70 torr

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