Problem: Find the percent by mass of sodium chloride in a 1.30 M NaCl solution. The density of the solution is 1.06 g/mL.

Assuming we have 1 L solution

Step 1. mass of the solution

$1 L \times \frac{1 mL}{10^{- 3} L} \times \frac{1.06 g}{mL} =$ 1060 g solution

Find the percent by mass of sodium chloride in a 1.30 M NaCl solution. The density of the solution is 1.06 g/mL.

What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Mass Percent concept. You can view video lessons to learn Mass Percent. Or if you need more Mass Percent practice, you can also practice Mass Percent practice problems.