At 20°C, the density of a 20 per cent by mass ethanol-water solution is 0.969 g cm-3 and the amount of it is 100g. Molar mass of ethanol and water are 46 g/mol and 18 g/mol, respectively. Given that the partial molar volume of ethanol in solution is 52.2 cm3mol-1 , calculate a) the total volume of the solution. b) the partial molar volume of water. c) What is the difference between the molar volume and the partial molar volume?

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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.