Question

A solution is prepared by adding 5g of a substance x to 18 gm water. calculate the mass percent of the solute

Answer 1

$mass\%_{solute}=\frac{m_{solute}}{m_{solute}+m_{solvent}}=\frac{5g}{5g+18g}\times100\%=21.7\%$

Answer: 21.7%