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April 20, 2014

Homework Help: Chemistry

Posted by Neha on Thursday, August 11, 2011 at 9:34am.

Which of the following substances exist(s) as a resonance hybrid?

CO2 (g)
SO3 (g)
HCO2- (aq)

A. I only
B. II only
C. III only
D. I and II only
E. II and III only

Ans w/i 12 hrs please!!

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