Teaching UP PGT Mock Test Series 2024 Chemical Sciences Liquids and Solutions Concentration Terms

The expression relating molality (m) and mole fraction (x2) of solute in a solution is

1
\(x_{2}=\frac{m M_{1}}{1+m M_{1}} \)
2
\(x_{2}=\frac{m M_{1}}{1-m M_{1}} \)
3
\(x_{2}=\frac{1+m M_{1}}{m M_{1}} \)
4
\(x_{2}=\frac{1-m M_{1}}{m M_{1}}\)
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