SOLUTION: Prepare 500ml of70percent from both 20 percent and 30 percent solution of ethanol.

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Question 921586: Prepare 500ml of70percent from both 20 percent and 30 percent solution of ethanol.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
That's not possible.
Any mix will have a concentration between 20 and 30%