CHEMISTRY Hector is performing a chemistry experiment that requires 140 milliliters of a
Chapter 2, Problem 26(choose chapter or problem)
CHEMISTRY Hector is performing a chemistry experiment that requires 140 milliliters of a 30% copper sulfate solution. He has a 25% copper sulfate solution and a 60% copper sulfate solution. How many milliliters of each solution should he mix to obtain the needed solution?
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