Chem & Physics Quiz
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In a study of CO2-dependent vasodilation, dissolved CO2 in plasma equilibrates with bicarbonate via carbonic anhydrase. At physiological pH, the dominant inorganic carbon species is HCO3−. For the carbon atom in HCO3−, which hybridization state is most consistent with the observed planarity of the O–C–O fragment and rapid resonance delocalization in IR spectra?
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