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March 28, 2015

Homework Help: Chemistry

Posted by Tamara on Sunday, February 12, 2012 at 5:26pm.

A 200. gram sample of a salt solution contains 0.050 grams of NaCl. What is he concentration of the solution in parts per million?
a)50. ppm
b)250. ppm
c)2.5 * 10^-4 ppm
d)5.0 * 10^4 ppm

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