SOLUTION: A pharmacist wants to make a solution that is 60% alcohol. On the shelf are two bottles of 40% and 20% strength alcohol. Explain the step(s) and the outcome of this mixture.

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Question 285647: A pharmacist wants to make a solution that is 60% alcohol. On the shelf are two bottles of 40% and 20% strength alcohol. Explain the step(s) and the outcome of this mixture.

Found 2 solutions by stanbon, richwmiller:
Answer by stanbon(57347) About Me  (Show Source):
You can put this solution on YOUR website!
A pharmacist wants to make a solution that is 60% alcohol. On the shelf are two bottles of 40% and 20% strength alcohol. Explain the step(s) and the outcome of this mixture.
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There is no way to get a 60% solution from a 40 and 20 percent solution.
Cheers,
Stan H.

Answer by richwmiller(9135) About Me  (Show Source):
You can put this solution on YOUR website!
You can't get stronger solutions than you start with, without evaporation or distilling.