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Phosphoric acid (H3PO) is a stronger acid than acetic acid (CH3COOH). Which sideill be favored in the equilibrium shown below? H.PO. + CH,COOH -H3PO4 + CH,COO Click the answer you think is right. Right side (products) Left side (reactants)

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Answer #1

Conjugate base of H3PO4 is H2PO4- and conjugate base of CH3COOH is CH3COO- . Acidity of a substance is directly proportional to the stability of it's conjugate base. As H3PO4 is stronger acid than CH3COOH then H2PO4- is more stable than CH3COO- . As H2PO4- is in left side that is reactant side. Hence the equilibrium will favour reactant side.

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