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=________

Algebra ->  Polynomials-and-rational-expressions -> 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=________      Log On


   



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