Question 394830: How many gallons of a 9% peroxide solution must be mixed with 3 gallons of a 15% peroxide solution to obtain a 12% solution? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! How many gallons of a 9% peroxide solution must be mixed with 3 gallons of a 15% peroxide solution to obtain a 12% solution?
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Equation:
active + active = active
0.09x + 0.15*3 = 0.12(x+3)
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Multiply thru by 100 to get:
9x + 15*3 = 12x + 12*3
-3x = -3*3
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x = 3 gallons (amt of 9% solution needed in the mixture)
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Cheers,
Stan H.
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