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1)Label the conjugate acid-base pairs. H H H 0 H H H ** H-6-6-6——OH + H20 I-0-I H-6-6-6-6—0: +H30* HA HH Butanoic acid water BuButanoic acid has an acrid taste and a terribly unpleasant odor. It is found in rancid butter and Parmesan cheese. In aqeuous solution, butanoic acid undergoes the reversible reaction shown.

Label the conjugate acid–base pairs.


I- # H H—¢—¢—¢— 0 —ÖH + H2Ö H-¢-¢-¢–6–0: +H30* 0- H H H Butanoic acid water Butanoate ion Hydronium ion

Answer Bank

conjugate base

conjugate acid

acid

base

2)Which species are present at equilibrium? ✓ butanoate ion ✓ water hydronium ion butanoic acidWhich species are present at equilibrium?

butanoate ion

water

hydronium ion

butanoic acid

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Answer #1

-truuts! Butanoic acid is a necak lenered when dissolved in acid so it partially aqueous solution Col + H₂O 11-o-o-o-o HHH Bu

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