SOLUTION: a chemist needs 16 liters of a 15% saline solution. she has two saline solutions with strenghts 12% and 20% respectively. compute the volume of each solution that should be added t

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Question 842959: a chemist needs 16 liters of a 15% saline solution. she has two saline solutions with strenghts 12% and 20% respectively. compute the volume of each solution that should be added to get 16 liters of the 15% total mixture
Answer by josgarithmetic(39618)   (Show Source): You can put this solution on YOUR website!
The assumption used will be that the percents given are as weight per volume for the saline solutions.

and

More thorough instruction is :
"Mixing two concentrations for known amount of mixture",
http://www.algebra.com/tutors/Mixtures%3A-All-in-Symbols.lesson?content_action=show_dev

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