Question

15g of urea is dissolved in 180cm^3 of water .the relative lowering of vapour pressure is equal to ?​

Answer 1

Answer:

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Explanation:

Relative lowering of vapour pressure,

P

ΔP

=

M

1

W

1

M

2

W

2

Relative lowering of vapour pressure,

P

ΔP

=

18 g/mol

90 g

60 g/mol

6 g

Relative lowering of vapour pressure

P

ΔP

=

5

0.1

Relative lowering of vapour pressure =0.02