Solutions Question 161

Question: 36g water and 828g ethyl alcohol form an ideal solution. The mole fraction of water in it, is [MP PMT 2003]

Options:

A) 1.0

B) 0.7

C) 0.4

D) 0.1

Show Answer

Answer:

Correct Answer: D

Solution:

$ N=\frac{W}{M}=\frac{828}{46}=18,,n=\frac{w}{m}=\frac{36}{18}=2 $

$ {x_{H_2O}}=\frac{n}{n+N} $

$ =\frac{2}{2+18}=\frac{2}{20}=0.1 $



जेईई के लिए मॉक टेस्ट

एनसीईआरटी अध्याय वीडियो समाधान

दोहरा फलक