Question

A solution is made containing 11.2g of sodium sulfate per 95.0g of water. What is the percent by mass of the solute?

Answer 1

Approx. `10%`

Explanation:

`"Solution percentage by mass"` `=` `"Mass of solute"/"Mass of solution"` `xx100%` `=` `(11.2*g)/(11.2*g+95.0*g)xx100%` `~=10%`