SOLUTION: In a chemistry lab, a student is mixing together two solutions that contain alcohol. One solution is 12% alcohol and the other is 40% alcohol. She uses 300ml of the 12% solution. H
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Question 708815: In a chemistry lab, a student is mixing together two solutions that contain alcohol. One solution is 12% alcohol and the other is 40% alcohol. She uses 300ml of the 12% solution. How many ml of the 40% solution does she use if the resulting mixture is a 28% alcohol solution?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
\ +\ 0.4x\ =\ 0.28(300\ +\ x))
Solve for 
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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