The mass of non-volatile, non-electrolyte solute `("molar mass" = 50 g "mol"^(-1))` needed to be dissolved i

The mass of non-volatile, non-electrolyte solute `("molar mass" = 50 g "mol"^(-1))` needed to be dissolved in `114 g` octane to reduce its vapour pressure to 75%, is :
A. 150 g
B. 50 g
C. 75 g
D. 37.5 g

The mass of non-volatile, non-electrolyte solute `("molar mass" = 50 g "mol"^(-1))` needed to be dissolved in `114 g` octane to reduce its vapour pres

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