Question: 1 a an aqueous solution labelled 350 hclo4 has a...
a) An aqueous solution labelled 35.0% HClO4 has a density of 1.251 g/mL. What is the molar concentration of the solution? Concentration is mass fraction
b) Dissolve 150 mL of ethanol (C2H6O), 0.8 g/mL in water until 0.3 L of solution is completed. Calculate the mass fraction of the water in the solution