SOLUTION: a chemist has two alcohol solutions of different strengths, 30% alcohol and 45% alcohol solutions, repectively. How many cubic centimetre of each solution must be used to make a mi

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Question 763037: a chemist has two alcohol solutions of different strengths, 30% alcohol and 45% alcohol solutions, repectively. How many cubic centimetre of each solution must be used to make a mixture of 30 cubic centimetre which will contain 39% alcohol?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
a chemist has two alcohol solutions of different strengths, 30% alcohol and 45% alcohol solutions, repectively. How many cubic centimetre of each solution must be used to make a mixture of 30 cubic centimetre which will contain 39% alcohol?
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This has been done 100's, maybe 1000's of times.
Look at the solved problems.