Mathematics, 29.07.2021 20:40 weasel71
The science lab at Stelly's Secondary school has two large sources of hydrochloric acid. One source is a 7% acid solution and the other source is a stronger 15% solution. How much of each acid solution does Mr. Lacy need to mix together to make 20 litres of a 12% solution? a) Define the variables, b) Solve the problem.
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The science lab at Stelly's Secondary school has two large sources of hydrochloric acid. One source...
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