7. [Free Response] What are the [H$_3$O$^+$], [NO$_2^-$] and [OH$^-$] in 0.50 M HNO$_2$?
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The chemical equation for the dissociation of HNO3 is: HNO3 -> H+ + NO3- Since the concentration of HNO3 is given as 0.50M, the concentration of H+ ions will also be 0.50M. Therefore, [H3O+] = [H+] = 0.50M. Since HNO3 is a strong acid, it does not contribute Show more…
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