SOLUTION: You need a 65% alcohol solution. On hand, you have a 25 mL of a 10% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain t

Question 1124744: You need a 65% alcohol solution. On hand, you have a 25 mL of a 10% alcohol mixture. You also have 70% alcohol mixture. How much of the 70% mixture will you need to add to obtain the desired solution?

Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
x of the 70% alcohol

(amount of alcohol from the two different solutions is equal to the amount of alcohol of the resulting mixture.)

Solve for x. That will be the mL of your 70% alcohol solution.
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