01. Acerto as coeficientes, se necessario, das equações


b. H3PO4 + Fe(OH)2 > Fe3(PO4) + H3O
c. H2SO4 + Al (OH)3 > Al2 (SO4) + H2O
d. Ag2 S03 + HCl > AgCl + H2O+ S02
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