SOLUTION: You need a 60% alcohol solution. On hand, you have a 900 mL of a 85% alcohol mixture. How much pure water will you need to add to obtain the desired solution? A) Write an equation

Question 1016719: You need a 60% alcohol solution. On hand, you have a 900 mL of a 85% alcohol mixture. How much pure water will you need to add to obtain the desired solution?
A) Write an equation using the information as it is given above that can be used to solve this problem. Use x as your variable to represent the amount of pure water you need to use.

B) You will need
_______mL of pure water
to obtain
_________mL of the desired 60% solution.
Answer by josgarithmetic(39617) (Show Source): You can put this solution on YOUR website!
The amount of alcohol does not change when adding the water. The CONCENTRATION goes down.

x is the amount of water to add.

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