SOLUTION: You need a 65% alcohol solution. On hand, you have a 385 mL of a 60% alcohol mixture. How much pure alcohol will you need to add to obtain the desired solution?

Question 1124800: You need a 65% alcohol solution. On hand, you have a 385 mL of a 60% alcohol mixture. How much pure alcohol will you need to add to obtain the desired solution?

Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = ml of pure alcohol needed
ml of alcohol in 60% mixture
��

55 ml of pure alcohol are needed
Check:

OK

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