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