SOLUTION: Find the amount of 6 percent acid solution and the amount of a 14 percent acid solutions pat should combine to prepare 50cc of 12 percent solutions
Question 607400: Find the amount of 6 percent acid solution and the amount of a 14 percent acid solutions pat should combine to prepare 50cc of 12 percent solutions Answer by josmiceli(19441) (Show Source):
You can put this solution on YOUR website! Let = cc's of 6% solution
Let = cc's of 14% solution = cc's of acid in 6% solution = cc's of acid in 14% solution
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(1)
(2)
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(2)
(2)
(2)
Multiply both sides of (1) by
and subtract (1) from (2)
(2)
(1)
and, since
(1)
(1)
(1)
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12.5 cc's of 6% solution are needed
37.5 cc's of 14% solution are needed
check:
(2)
(2)
(2)
(2)
(2)
(2)
OK
