If a substance ‘A’ dissolves in a solution of a mixture of ‘B’ an… | JEE Main 2024 Chemistry PYQ

MCQEasyJEE Main 2024 · 30 January, Shift 2Concentration Terms (Molarity, Molality, etc.)

If a substance ‘A’ dissolves in a solution of a mixture of ‘B’ and ‘C’ with their respective number of moles as $n_a$ , $n_b$ , and $n_c$ , the mole fraction of C in the solution is:

A
$\dfrac{n_c}{n_a \times n_b \times n_c}$
B
$\dfrac{n_c}{n_a + n_b + n_c}$
C
$\dfrac{n_c}{n_a - n_b - n_c}$
D
$\dfrac{n_b}{n_a + n_b}$

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