Chemistry - Liquid Solution Question with Solution | TestHub

What will be the mass of a non-volatile solute$\left(\mathrm{M}\mathrm{o}\mathrm{l}\mathrm{a}\mathrm{r}\mathrm{ }\mathrm{m}\mathrm{a}\mathrm{s}\mathrm{s}\mathrm{ = }40\mathrm{ }\mathrm{g}\mathrm{ }\mathrm{m}\mathrm{o}{\mathrm{l}}^{-1}\right)$which should be dissolved in 114 g octane to reduce its vapour pressure to 80% ?