What is the mw of solute which produces a lowering of vapour pressure of 0.5percentage when 20gm of the solute are dissolved in 100gm of benzene at 293k
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Explanation:
moles of water =
18
900
=50
According to Raoult's law, mole fraction of solvent =
P
solvent
O
P
solvent
=
30
24
=
5
4
=0.8
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