What is the relation between molality of the solution and molar mass of solute?

What is the relation between molality of the solution and molar mass of solute?
  1. $\mathrm{m}=\frac{\mathrm{M}_2 \mathrm{~W}_2}{1000 \mathrm{~W}_1}$
  2. $\mathrm{m}=\frac{1000 \mathrm{~W}_2}{\mathrm{M}_2 \mathrm{~W}_1}$
  3. $\mathrm{m}=\frac{1000 \mathrm{~W}_1}{\mathrm{M}_2 \mathrm{~W}_2}$
  4. $\mathrm{m}=\frac{\mathrm{M}_2 \mathrm{~W}_1}{1000 \mathrm{~W}_2}$

Solution

$\mathrm{m}=\frac{\mathrm{W}_2}{\mathrm{M}_2} \times \frac{1000}{\mathrm{~W}_1}$

Asked in: MHT CET 2022 (11 Aug Shift 1)

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