(a) What mass of barium nitrate (Ba(NO3)2) would be required to prepare 2.000L of a 0.0140M aqueous solution of this salt? 4.0] g (b) Calculate the mass percent of Ba(NO3)2 in this solution, assuming the density of the solution is 1.000kg/L. % Did you recall the equation that shows how molarity is related to the number of moles of solute and the volume of the solution? Did