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Mathematics, 18.08.2019 14:50 shavis123
Alab needs a 20 liters of a 15% acid solution. the lab only has a 10% acid solution and a 30% acid solution. how much of the 10% acid solution will they need to mix with the 30% solution to obtain 20 liters of a 15% solution?
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Alab needs a 20 liters of a 15% acid solution. the lab only has a 10% acid solution and a 30% acid s...
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