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September 18, 2014

September 18, 2014

Posted by **Anisha** on Saturday, May 1, 2010 at 5:03pm.

- math -
**bobpursley**, Saturday, May 1, 2010 at 5:07pmYou want to dilute it from .5 to .2 or 5/2=2.5 times. So you add one part original stuff, then 1.5 parts water.

So add 9 liters water to get .2 percent acid.

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