Question 742941: how much 10% acid solution should be added to 30 liters of 25% acid solution to achieve a 15% solution? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! how much 10% acid solution should be added to 30 liters of 25% acid solution to achieve a 15% solution?
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acid + acid = acid
0.10x + 0.25*30 = 0.15(x+30)
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10x + 25*30 = 15x + 15*30
5x = 10*30
x = 60 liters (amt. of 10% solution needed)
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Cheers,
Stan H.
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