Two liq A and B have vapour pressure of 500 mm Hg and 200 mm Hg respect. calculate the mole fraction of A at which two liquids have equal partial pressure.

Question

Yash Jain · Answer

Given that, P A = P B So, x A P o A = x B P o B or, n A* 500 = n B * 200 gives, n A /n B = 2/5 thus, n A = 2x & n B = 5x {for any integer x} Then, x A = n A / n A +n B = 2x / 2x+5x = 2/7 and x B = 1 - x A = 5/7

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Two liq A and B have vapour pressure of 500 mm Hg and 200 mm Hg respect. calculate the mole fraction of A at which two liquids have equal partial pressure.

Two liq A and B have vapour pressure of 500 mm Hg and 200 mm Hg respect. calculate the mole fraction of A at which two liquids have equal partial pressure.

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