SOLUTION: The nurse has 1.14 liters of a solution that is 58% alcohol. How many liters of pure alcohol must she add to bring the solution up to a 93% concentration?
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Question 563814: The nurse has 1.14 liters of a solution that is 58% alcohol. How many liters of pure alcohol must she add to bring the solution up to a 93% concentration? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! The nurse has 1.14 liters of a solution that is 58% alcohol. How many liters of pure alcohol must she add to bring the solution up to a 93% concentration?
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Equation:
alcohol + alcohol = alcohol
0.58*1.14 + 1*x = 0.93(1.14+x)
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Multiply thru by 100
58*1.14 + 100x = 93*1.14 + 93x
35*1.14 = 7x
x = 5*1.14
x = 5.7 liters (amt. of pure alcohol needed)
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Cheers,
Stan H.
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