Calculate the mass of a non-volatile solute ( molecular mass `40`) which should be dissolved in `114 g` octane to reduce its vapour pressure to `80%`.

Calculate the mass of a non-volatile solute ( molar mass 40g mol^-1 ) which should be dissolved in 114g octane to reduce its vapour pressure to 80%.

Calculate the mass of a non-volatile solute of molar mass 40 which should be dissolved in 114g octane to reduce its vapour pressure to 60%

Calculate the mass of a non volatile solute (molar mass 40gmol^-1) which should be dissolved in 114 g octane to reduce its vapour pressure to 8%.

Calculate the mass of a non-volatile solute (molar mass 40"g mol"^(-1) ) which should be dissolved in 114g Octane to reduce its vapour pressure to 80% .