Question

two Aqua solutions a and b have equal concentration 20% a and b contain 40 gram and 60 gram solute respectively find the difference in amount of water present in both solutions.​

Answer 1

Answer:

Explanation:

Correct option is

B

0.33

Let M  

A

​

 and M  

B

​

 be the molar masses of solutes A and B respectively.

Osmotic pressure is a colligative property and is directly proportional to the concentration.  

Hence,

M  

A

​

 

10

​

+  

M  

B

​

 

20

​

=  

M  

A

​

 

6.67

​

+  

M  

B

​

 

30

​

 

M  

A

​

M  

B

​

 

10M  

B

​

+20M  

A

​

 

​

=  

M  

A

​

M  

B

​

 

6.67M  

B

​

+30M  

A

​

 

​

 

10M  

B

​

+20M  

A

​

=6.67M  

B

​

+30M  

A

​

 

3.33M  

B

​

=10M  

A

​

 

M  

B

​

 

M  

A

​

 

​

=  

10

3.33

​

=0.33