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July 2, 2015

Homework Help: chemistry

Posted by alex on Wednesday, May 12, 2010 at 12:38pm.

if the ration of water drops to EDTA is 6.7 for the known sample and 10 for the unknown sample what is the concentration of the unknown sample? (The concentration of the known sample is 315 ppm)

a. 150mg/L
b. 210mg/L
c. 280mg?L
d. 320mg/L

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