SOLUTION: 3 litres of water is added to 15 litres of a mixture of a 20% solution of alcohol in water. the strenght of alcohol is mow

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Question 866871: 3 litres of water is added to 15 litres of a mixture of a 20% solution of alcohol in water. the strenght of alcohol is mow
Answer by josgarithmetic(39618) About Me  (Show Source):
You can put this solution on YOUR website!
The concentration is changed by a factor of %2815%2F18%29=5%2F6.