SOLUTION: You need a 80% acid solution. You have 110 mL of 25% on hand. How much of a 90% acid solution should you add to obtain the desired solution?

SOLUTION: You need a 80% acid solution. You have 110 mL of 25% on hand. How much of a 90% acid solution should you add to obtain the desired solution?

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Question 818481: You need a 80% acid solution. You have 110 mL of 25% on hand. How much of a 90% acid solution should you add to obtain the desired solution?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
You need a 80% acid solution. You have 110 mL of 25% on hand. How much of a 90% acid solution should you add to obtain the desired solution?
.25*110+.9x=.8*(110+x)
27.5+.9x=88+.8x
.1x=61
x=610

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