Question

please solve this question ​

Answer 1

Answer:

253 g

Explanation:

1. Required formula is

increase in boiling point = kb × molality.

2 . after applying formula we get

1 = (2.53)( w2/m2×w1)

1= (2.53)(10/m2×0.1)

m2 = 253 g

3. molecular mass is 253 g.