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

Verified
Correct Answer:
Verified
Q62: Adding solute to a solution decreases the
Q63: A sample of potassium chlorate (15.0 g)
Q64: The dissolution of gases in water is
Q65: Which one of the following is most
Q66: At 20°C, a 3.54 M aqueous solution
Q68: A solution is prepared by dissolving 23.7
Q69: Which of the following cannot be a
Q70: The concentration of sodium chloride in an
Q71: Of the concentration units below, only _
Q72: A solution with a concentration higher than