A) \[13.88\times {{10}^{1}}\]
B) \[13.88\times {{10}^{2}}\]
C) \[13.88\]
D) \[13.88\times {{10}^{3}}\]
Correct Answer: C
Solution :
\[{{X}_{solvent}}=0.8\] If\[{{n}_{T}}=1\] \[{{n}_{Solvent}}=0.8\] \[{{n}_{Solute}}=0.2\] \[molality=\frac{0.2}{\frac{0.8\times 18}{1000}}=13.88\]
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