Question:
The density of $3 \mathrm{M}$ solution of sodium chloride is $1.252 \mathrm{~g} \mathrm{~mL}^{-1}$. The molality of the solution will be (molar mass, $\mathrm{NaCl}=58.5 \mathrm{~g} \mathrm{~mol}^{-1}$ )
Correct Option: 1
Solution:
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