A) 329.1
B) 439.5
C) 341.9
D) 335.9
Correct Answer: C
Solution :
: According to relation, \[{{M}_{B}}=\frac{1000.{{K}_{f}}{{w}_{B}}}{\Delta {{T}_{f}}.{{w}_{A}}}\] \[{{M}_{B}}\](molar mass of unknown substance) \[=\frac{1000\times 1.86\times 1.5}{0.136\times 60}=341.9\]You need to login to perform this action.
You will be redirected in
3 sec