Question

1.An aqueous solution of 0.975 M hydrochloric acid, HCl, has a density of 1.02 g/mL. The percent by mass of HCl in the solution is ___ %. 2.An aqueous solution of 1.29 M ethanol, CH3CH2OH, has a density of 0.988 g/mL. The percent by mass of CH3CH2OH in the solution is ___%. 3.An aqueous solution is 40.0% by mass silver nitrate, AgNO3, and has a density of 1.47 g/mL. The molarity of silver nitrate in the solution is ___M.