What Is the Molarity of Phosphoric Acid in a 31

question 37

Multiple Choice

What is the molarity of phosphoric acid in a 31.5% (by mass) aqueous solution?

• A)0.0846 m
• B)0.156 m
• C)0.0390 m
• D)0.0780 m
• E)The density of the solution is needed to solve the problem.