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November 23, 2014

Homework Help: chemistry

Posted by alex on Wednesday, May 12, 2010 at 9:49am.

what is the ratio of water drops to EDTA if 2 drops of EDTA was needed to change the color of 20 drops of water with unknown hardness?

a. 10
b. 5
c. 0.1
d. 1.0

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