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April 21, 2014

Homework Help: chemistry

Posted by Marian on Saturday, November 10, 2012 at 10:07pm.

How many moles are in 1.50 x 1023 molecules NH3?
A. 2.49 x 10 -1 mol NH3
B. 2.49 x 101 mol NH3
C. 2.65 x 10 -1 mol NH3
D. 2.78 x 10 1 mol NH3

maybe B

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