Chemistry · 2013
JEE Main · 22 April 2013, Shift 1 · Q40
The density of 3M solution of sodium chloride is 1.252 g mL^-1. The molality of the solution will be: (molar mass, NaCl =58.5 g mol^-1 )
The density of 3M solution of sodium chloride is $\displaystyle 1.252 \mathrm{~g} \mathrm{~mL}^{-1}$. The molality of the solution will be :
(molar mass, $\displaystyle \mathrm{NaCl}=58.5 \mathrm{~g} \mathrm{~mol}^{-1}$ )
Official answer
(3)
2.$\displaystyle 79$ m
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JEE Main 2013 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.