Answer:
[tex]m_{solute}=100g[/tex]
Explanation:
Hello,
In this case, by considering the mathematical definition of by mass percentage of a solute as shown below:
[tex]\%m/m=\frac{m_{solute}}{m_{solution}}*100\%[/tex]
We are able to compute the mass of the solute in a 20% solution having 500 g of solution as follows:
[tex]m_{solute}=\frac{m_{solution}*\%m/m}{100\%} =\frac{500g*20\%}{100\%}\\ \\m_{solute}=100g[/tex]
Best regards.
