A solution contains 28% phosphoric acid by mass. This means that __________.
A)1 mL of this solution contains 28 g of phosphoric acid
B)1 L of this solution has a mass of 28 g
C)100 g of this solution contains 28 g of phosphoric acid
D)1 L of this solution contains 28 mL of phosphoric acid
E)the density of this solution is 2.8 g/mL

Question

Quizplus · Accepted Answer

28% by mass means there are 28 g of phosphoric acid in 100 g of the solution. Therefore, 100 g of the solution contains 28 g of phosphoric acid.

A Solution Contains 28% Phosphoric Acid by Mass