Question

A chemist is using 326 milliliters of a solution of acid and water. If 15.7% of the solution is acid, how many milliliters of acid are there?Round your answer to the nearest tenth.milliliters.

Answer 1

We simply have to multiply the total of the solution (326 ml) by the percentage of acid in decimal form (divided by 100)

326 x (15.7/100) = 326 x 0.157 = 51.182 mililiters = 51.2 mililiters of acid