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MediumChemistryVapour Pressure & RLVP
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The vapour pressure of pure liquid A is 10 torr and at the same temperature when 1 g of B solid is dissolved in 20 g of A, its vapour pressure is reduced to 9.0 torr. If the molecular mass of A is 200 amu, then the molecular mass of B is-
A
100 amu
B
90 amu
C
75 amu
D
120 amu
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