A) 0.0177
B) 0.0344
C) 1.7700
D) 0.1770
Correct Answer: A
Solution :
1.00 molal aqueous solution = 1.0 mole in 1000 g water \[{{n}_{solute}}=\] 1; \[{{W}_{solvent}}=\] = 1000 g. \[{{n}_{solvent}}=\frac{1000}{18}=55.56\] \[{{X}_{solute}}=\frac{1}{1+55.56}=0.0.177\]
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