Mathematics, 12.03.2021 21:00, jshhs

A laboratory technician needs to make a 90-liter batch of a 20% acid solution. How can the laboratory technician combine a batch of an acid solution that is pure acid with another that is 10% to get the desired concentration?

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A laboratory technician needs to make a 90-liter batch of a 20% acid solution. How can the laborat...