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Mathematics, 30.11.2019 04:31 Shamiyah732
Scientist needs 120 liters of a 20% acid solution for an experiment. the lab has available a 25% and a 10% solution. how many liters of the 25% and how many liters of the 10% solutions should the scientist mix to make the 20% solution?
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Scientist needs 120 liters of a 20% acid solution for an experiment. the lab has available a 25% and...
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