The conjugate base of \[HCO_{3}^{-}\] is

1.	The conjugate base of \[HCO_{3}^{-}\] is
A.	\[{{H}_{2}}C{{O}_{3}}\]
B.	\[CO_{3}^{2-}\]
C.	\[C{{O}_{2}}\]
D.	\[{{H}_{2}}O\]
Answer» C. \[C{{O}_{2}}\]

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The conjugate base of \[HCO_{3}^{-}\] is

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