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- HSO4-(aq) + H2O(l) ⟷⟷ H2SO4(aq) + OH-(aq)Describe the trends in the physical properties of carboxylic acids, and contrast theirphysical properties with those of their salts.Which of these compounds contains NH2 and a carboxylic acid -COOH group in the same molecule? ketone O ester amino acid O amide