Brooke E.

asked • 03/13/16

Mixture Problem, please help!

You need a 90% alcohol solution. On hand, you have a 140 mL of a 20% alcohol mixture. How much pure alcohol will you need to add to obtain the desired solution?
 
I need 980 mL of pure alcohol 
to obtain
________mL of the desired 90% solution.

1 Expert Answer

By:

John K. answered • 03/13/16

Tutor
4.9 (13)

Math and Engineering Tutor, Professional Engineer

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