A) 0.25
B) 0.2
C) 0.008
D) 0.0064
Correct Answer: A
Solution :
[a] Given w= 10 g, Mol. mass =40 g Weight of solvent \[=1250\times 0.8g=10000g\] =1 kg \[\therefore molality=\frac{10}{40\times 1}=0.25m\]You need to login to perform this action.
You will be redirected in
3 sec