SOLUTION: pure acid is to be added to a 10% acid solution to obtain 90L of 44% solution what amounts of each should be used

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Question 882575: pure acid is to be added to a 10% acid solution to obtain 90L of 44% solution what amounts of each should be used
Answer by josgarithmetic(39618) About Me  (Show Source):
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"Pure acid", means that it is 100%. A good prediction for how much of each acid concentration to use can be based on this lesson, in which the problem-solving method and symbolic form result is shown:

Mixing two concentrations for known amount of mixture