SOLUTION: A nurse has 1 liter of a solution that is 10% alcohol. How much pure alcohol must she add to bring it to a solution that contains 25% alcohol? (Hint: A pure alcohol solution contai
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Question 661367: A nurse has 1 liter of a solution that is 10% alcohol. How much pure alcohol must she add to bring it to a solution that contains 25% alcohol? (Hint: A pure alcohol solution contains 100% alcohol)
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = liters of pure alcohol she must add
= liters of alcohol in 10% solution
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She must add .2 liters of pure alcohol
check:
OK
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