The total vapour pressure of a 4 mole % solution of `NH_(3)` in water at 293 K is 50.0 torr. The vapour pressure of pure water is 17.0 torr at this temperature . Applying Henry's and Raoult's laws, calcilate the total vapour pressure for a 5 mole % solution:
A
58.25 torr
B
33 torr
C
42.1 torr
D
52.25 torr
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a
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