Solve this following
Question:

$8 \mathrm{~g}$ of $\mathrm{NaOH}$ is dissolved in $18 \mathrm{~g}$ of $\mathrm{H}_{2} \mathrm{O}$. Mole fraction of $\mathrm{NaOH}$ in solution and molality (in $\mathrm{mol} \mathrm{kg}-1$ ) of the solutions respectively are :

  1. $0.167,11.11$

  2. $0.2,22.20$

  3. $0.2,11.11$

  4. $0.167,22.20$


Correct Option: 1

Solution:

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