SOLUTION: How much pure water must be mixed with 4 pints of 50% acetic acid to produce a mixture that is 33% acetic acid?

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Question 405987: How much pure water must be mixed with 4 pints of 50% acetic acid to produce a mixture that is 33% acetic acid?
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
------------percent----------------quantity
solution------50---------------- 4
water---------0 ---------------- x
Total--------33 ---------------- 4+x
...
50*4+0*x=33(4+x)

200=132 +33x

-33x=132-200

-33x=-68
/-33
x=2.06 liters of water