Doreen Schmidt is a chemist. She needs to prepare 28 ounces

Last updated: 7/17/2022

Doreen Schmidt is a chemist. She needs to prepare 28 ounces of a 8% hydrochloric acid solution. Find the amount of 14% solution and the amount of 7% solution she should mix to get this solution. How many ounces of the 14% acid solution should be in the mixture?