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Two liters of a 30% acid solution are mixed with three liters of a 20% acid solution and five liters of a 10% acid. What percent of the mixture is acid?

 Jun 25, 2022
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.30 * 2  =  .6 liter is acid

.20 * 3 =  .6 liter is acid

.10 * 5  =  .5 liter is acid

 

% total acid =      ( .6 + . 6 + .5 ] ( 2 + 3 + 5)  =   1.7  /  10 = 17 /100 =      17%

 

 

cool cool cool

 Jun 25, 2022

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