Question

Calculate the mass/volume percent of a NaCl solution in which 140 g of NaCl is dissolved in enough water to give a total volume of 1.59 L.

Answer 1

Mass per volume percent is simply calculated by getting the ratio of the mass in g of solute and the volume in mL of the solution multiplied by 100 percent. In the problem, we are given all the required values. Calculation is as follows:

%w/v = 140 / 1590 x 100 = 8.81%