SOLUTION: How many liters of a 70% alchole slolution must be added to 50% liters of a 40% alcohole solution to produce a 50% alcohol solution?
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Question 231944: How many liters of a 70% alchole slolution must be added to 50% liters of a 40% alcohole solution to produce a 50% alcohol solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How many liters of a 70% alchole slolution must be added to 50% liters of a 40% alcohole solution to produce a 50% alcohol solution?
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I assume it's 50 liters of 40% to start.
That 50 liters has 60% water, = 30 liters of water (50*0.6).
Add alcohol to make that 30 liters of water 50% of the solution.
That will be a total of 60 liters of solution, 30 liters of water + 30 of alcohol.
Add 10 liters of alcohol.
--> 10 liters.
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