ACTIVITY 2.“Problem Solving”
Problem Solving. Instruction: Solve for the concentrations of the solutions given below.

1. Solve for the percent by mass of 75 grams of sugar in a 250 grams sugar and water
solution.
GIVEN:
Mass of solute =
Mass of solution =
FIND:
FORMULA:
SOLVE:

2. Solve for the percent by volume of 25 mL of alcohol present in 75 ml wine.
GIVEN:
Volume of solute =
Volume of solution
FIND:
FORMULA:
SOLVE:

3. Solve for the percent by mass of 5 grams of salt in a 100 grams salt and water
solution
GIVEN: Mass of solute =
Mass of solution =
FIND:
FORMULA:
SOLVE:​​​​