Calculate the partial molar volume of water in a \(70 \mathrm{~mol}\) per cent ethanol-water solution, in which the partial molar volume of ethanol is \(61.23 \times 10^{-6} \mathrm{~m}^{3} / \mathrm{mol}\), given that the density of the mixture is \(901.57 \mathrm{~kg} / \mathrm{m}^{3}\).