A) 105.7
B) 106.7
C) 115.3
D) 93.9
Correct Answer: A
Solution :
Molar mass \[=\frac{{{K}_{f}}\times 1000\times w}{\Delta {{T}_{f}}\times W}=\frac{1.86\times 1000\times 1.25}{20\times 1.1}\] \[=105.68=105.7\].You need to login to perform this action.
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