A methanol solution in water contains 50 v/v% methanol. What is the methanol concentration in wt. % units given the following information? All properties are at 250C. Density of 50 v/v% methanol Density of methanol 0.928 g/mL 0.792 g/mL 0 42.7 w/w% 39.6 w/w% 50 w/w% What is the mole fraction of methanol in the 50 v/v% methanol solution? 0 0.295 O 0.43 0 0.4 O 0.5