If a substance ‘A’ dissolves in solution of a mixture of ‘B’ and ‘C’ with their respective number of — JEE Mains Chemistry Past Papers Chemistry Question

Question

If a substance ‘A’ dissolves in solution of a mixture of ‘B’ and ‘C’ with their respective number of moles as nA, nB and nC, mole fraction of C in the solution is: (A) C A B C n n n n (B) C A B C n n n n (C) C A B C n n – n – n (D) B A B n n n