SOLUTION: A chemist has a 90 mL beaker of a 10% solution solution. Write an equation for the concentration of the solution after adding x mL of pure water. Concentration=________

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Question 932016: A chemist has a 90 mL beaker of a 10% solution solution. Write an equation for the concentration of the solution after adding x mL of pure water.
Concentration=________

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
water = water
xml + .90(90ml) = p(.90ml + x)
(x + 81ml)/(x + .9ml) = p

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