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posted by Emma on Friday, February 21, 2014 at 12:17pm.
How much water would I need to add in order to dilute 200mL of a 5 M solution down to 2 M?
Didn't I do one like this for you yesterday. c1v1 = c2v2 c = concn v = volume 5*200 = 2*mL mL = total volume.
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