Mathematics, 31.07.2020 02:01 Grumbley8301

A. How many ml of 10 percent acid should be added to pure acid to make 20 ml of 50 percent acid? b. How many ml of 50 percent acid should be added to pure acid to make 40 ml of 85 percent acid?

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A. How many ml of 10 percent acid should be added to pure acid to make 20 ml of 50 percent acid? b. How many ml of 50 percent acid should be added to pure acid to make 40 ml of 85 percent acid? Please Help!!

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A. How many ml of 10 percent acid should be added to pure acid to make 20 ml of 50 percent acid? b. How many ml of 50 percent acid should be added to pure acid to make 40 ml of 85 percent acid?

Please Help!!