Final answer:
The mass percent of the solution is the ratio of the solute's mass to the total mass of the solution times 100, which expresses the concentration of the solute in the solution.
Step-by-step explanation:
The mass percent of the solution is the relationship between the mass of the solute and the total mass of the solution, expressed as a percentage. The mass/mass percent, often abbreviated as % m/m, is calculated by dividing the mass of the solute by the mass of the solution and then multiplying the result by 100. This is a common way to express concentration when dealing with solid solutes. For example, if you have 5 grams of salt dissolved in 95 grams of water, the mass percent would be calculated as (5 g / (5 g + 95 g)) × 100%, which equals 5%.