SOLUTION: You need a 15% alcohol solution. On hand, you have a 195 mL of a 35% alcohol mixture. How much pure water will you need to add to obtain the desired solution? You will need mL

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Question 739687: You need a 15% alcohol solution. On hand, you have a 195 mL of a 35% alcohol mixture. How much pure water will you need to add to obtain the desired solution?
You will need
mL of pure water
to obtain
mL of the desired 15% solution.
idk how to do this;(

Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!
Let = ml of pure water to be added
ml of alcohol in 35% mixture
----------------





260 ml of pure water to be should be added
check:


You can check it

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