Question: A chemist has two solutions that contain different concentrations of a certain acid. One is a 4% concentration and the other is an 11% concentration.

A chemist has two solutions that contain different concentrations of a certain acid. One is a 4% concentration and the other is an 11% concentration. How many cubic centimeters of each should the chemist mix to obtain 50 cm of a solution with an acid concentration of 6.8%? O A. 30 cc of the 4% solution and 20 cc of the 11% solution O B. 20 cc of the 4% solution and 30 cc of the 11% solution O C. 25 cc of the 4% solution and 25 cc of the 11% solution O D. No solution

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