Mathematics, 21.10.2021 14:00 kcruz87
A chemist has two solutions of HNO3. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 57 liters of a 26% solution?
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A chemist has two solutions of HNO3. One has a 40% concentration and the other has a 25% concentrati...
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