SOLUTION: A pharmacist is preparing a 300-milliliter solution of 25% alcohol. If she has 15% and 45% alcohol solutions in stock, how much of each must she use?
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Question 843683: A pharmacist is preparing a 300-milliliter solution of 25% alcohol. If she has 15% and 45% alcohol solutions in stock, how much of each must she use?
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Volume:
1.
Concentration:
2.
Subtract eq. 1 from eq. 2,
and from eq.1,
200ml of 15% and 100ml of 45%.
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