Question

6g of non volatile solute is dissolved in 90grams

Answer 1

Answer:

6g of non volatile solution is dissolved in 90g of water, such that the lowering in vapour pressure is 2%.

Answer 2

Answer:

Correct option is

C

60

Given 

w2=6 g 

w1=90 g

M1=18 g

          

Δp1=0.02

Let take,   p10=100

                 p1=98

           

p10p10−p1=M2×w1w2×M1 

1002=M2×906×18

M2=60 g