SOLUTION: a solution of 40% acid and a solution of 70% acid need to be mixed together to create a solution of 50% acid. how many milliliters of 40% acid should be mixed with 80 milliliters o
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Question 723937: a solution of 40% acid and a solution of 70% acid need to be mixed together to create a solution of 50% acid. how many milliliters of 40% acid should be mixed with 80 milliliters of 70% acid to get the desired mixture?
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
a solution of 40% acid and a solution of 70% acid need to be mixed together to create a solution of 50% acid. how many milliliters of 40% acid should be mixed with 80 milliliters of 70% acid to get the desired mixture?
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Equation:
0.40x + 0.70*80 = 0.50(x+80)
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40x + 70*80 = 50x + 50*80
-10x = -20*80
x = 160 ml (amt. of 40% solution needed)
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Cheers,
Stan H.
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