A saline solution is 5.00%(w/v). How much of water must be added to 50.0 mL of this solution to reduce the concentration of the solution to 1.0%(w/v)? (Assume volumes are additive.)

Question

Quizplus · Accepted Answer

To reduce the concentration from 5.00% to 1.0%, the volume must be increased by a factor of 5. Starting with 50.0 mL, the final volume should be 250.0 mL. Therefore, 200.0 mL of water must be added.

A Saline Solution Is 5