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Exercício§ão-ácido-base.pdf · a1 Espécies anfipróticas H 2 PO 4-+ H 2 O H 3 O + + HPO 4-H 2 PO 4--+ H 2 O OH + H 3 PO 4 K a2 = 6,3 2x 10 8 K b3 = K w / K a1 = 1,41 x 10 12
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