You can put this solution on YOUR website! Anna has 6 liters of 60% acid. How much water should she add to make a solution that is 40% acid?
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Acid Equation: 0.6*6 + 0*x = 0.4(6+x)
0.36 = 0.24 + 0.4x
0.4x = 0.12
x = 3 liters (amount of water that must be added)
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Cheers,
Stan H.
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