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Two liters of a 30% acid solution are mixed with three liters of a 70% acid solution. What percent of the mixture is acid?

 Dec 24, 2021
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Final solution volume is   2 + 3 = 5 liters

 

.3 (2)  +  .7 (3)   = x ( 5)

( .6 +  2.1 ) / 5 = x

     2.7 / 5 = .54      or   54 %

 Dec 24, 2021

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