Question

Find the percent by mass concentration if the solution was prepared by dissolving 25.0 g of sugar into 100 g of water.

Answer 1

25%

Step-by-step explanation:

Percent by mass is looking at the percentage of mass within a a solution. So since there's 100g of water and 25 grams of sugar, you divide 25 by 100 to get the ratio. Then multiply by 100 to get the percentage.