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A solution contains 0.3 moles of solute A, 0.2 moles of B and 0.5 moles of C. What will be the mole fraction of A in the mixture?

(a) 0.3

(b) 0.2

(c) 0.5

(d) 1

The question was asked in class test.

This interesting question is from Concentration and Velocity topic in division Modes and Diffusion of Mass Transfer

1 Answer

0 votes
by (39.8k points)
Correct answer is (a) 0.3

Easy explanation: Mole Fraction of A= Moles of A/Total moles

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