nx mole of substance x was dissolved in ny mole of substance y.
A. The total of mole fractions of substance x and y remain 1.
B. Mole fraction of \(\rm x=\dfrac{\rm No. \ of \ moles \ of \ x}{\rm No. \ of \ moles \ of \ solution}\)
C. Mole fraction of \(\rm y = \dfrac{n_y}{n_x + n_y}\)
D. Mole fraction of \(\rm x = \dfrac{n_x}{n_y + n_y}\)
The correct statements is /are:
1
Only A
2
Only A, B
3
A, B and C
4
Only D