Estimate the mole fraction if concentration of A is 2 mol/cu.m and the total con

Question

Estimate the mole fraction if concentration of A is 2 mol/cu.m and the total concentration is 5 mol/cu.m.

Options:

A . 0.2

B . 0.25

C . 0.4

D . 1

Answer: Option C
Answer: (c).0.4

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