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You need a 70% alcohol solution. On hand, you have a 60 mL of of a 25% alcohol mixture. You also have 75% alcohol mixture. How much of the 75% mixture will you need to add to obtain the desired solution ?

User RichieRock
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1 Answer

4 votes

15ml to become more concentrated divide the amount

Explanation:

User George Mavritsakis
by
6.7k points
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