Question

PROBLEM SOLVING (10 POINTS)
Directions: Study the given problems and solve what is being asked.
1. A solution contains 5 grams of salt and 195 grams of water.
A How many grams of solution are present
B. What is the percent by mass concentration of the solution
2. A sugar solution has a mass of 500 grams. The solution contains 200 grams of
water
A. How many grams of water is used in the solution
B. What is the percent by mass concentration of the solution
END
Prepared by:
(Sgd.) DYRINE C. BAGUNU
cher​

Answer 1

Answer:

Mass of solute = 20 g

Volume of solution = 500 ml

Mass by volume percentage =

Volume of solution

Mass of solute×100

=

500

20×100

=4%

Hence, the correct option is D.