Correct Answer - Ps=12.08kPa
p∘=12.3kPa,pS=?
M=1(1mole
of solute is dissolved in 1L
of solution )
Molarity of water =
1000
18
=55.56
(
or number of moles of water =55.56)
p∘-pS
p∘
=CHMi2=
n2
n1+n2
=
n2
n1
(
for dilute solution )
12.3-pS
12.3
=
1
55.56
12.30pS=
12.3
55.56
=0.2213
pS=12.3-0.2213=12.078≈12.08kPa
