In chemistry lab, Alexandra needs to make a 42 milliliter solution that is 15% NaCl. All
Chapter 0, Problem 21(choose chapter or problem)
In chemistry lab, Alexandra needs to make a 42 milliliter solution that is 15% NaCl. All that is in the lab is 6% and 18% NaCl. How many milliliters of each solution should she use to obtain the desired mix?
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