Question 746115: How many pints of 1% peroxide solution should be mixed with 4% peroxide solution to obtain 10 pints of 2% peroxide solution? Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = pints of 1% solution needed
Let = pints of 4% solution needed = peroxide in 1% solution = peroxide in 4% solution
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(1)
(2)
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(2)
(2)
Subtract (1) from (2)
(2)
(1)
and, since
(1)
(1)
(1)
6.667 pints of 1% solution are needed
3.333 pints of 4% solution are needed
check:
(2)
(2)
(2)
(2)
OK
