mathematics

Dorren Schmidt is a chemist. She needs to prepare 11 ounces of a 10% hydrochloric acid solution. Find the amount

Dorren Schmidt is a chemist. She needs to prepare 11 ounces of a 10% hydrochloric acid solution. Find the amount of a 7% solution and the amount of an 11%
solution she should mix to get this solution
Concentration Rate Ounces of Solution Ounces of Pure Acid
0.07
0.07x
х
11

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