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October 20, 2014

October 20, 2014

Posted by **jenny** on Friday, September 3, 2010 at 6:13pm.

- algebra 2 -
**drwls**, Friday, September 3, 2010 at 6:19pmLet X be the volume of weak acid and Y be the volume of pure acid

X + Y = 100 (ml)

0.2X + Y = 0.4*100 ml (amount of pure acid in the mixture)

0.8X = 60

X = 75 ml

Y = 25 ml

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