2.E1 : Quelques couples acide/base

Former les couples acide/base en utilisant les espèces chimiques suivantes et écrire la demi-équation associée à chaque couple.

\(\ce{H2O}\) ; \(\ce{HCO3-}\) ; \(\ce{H2SO4}\) ; \(\ce{H3O+}\) ; \(\ce{(CH3)2NH}\) ; \(\ce{CO3^2–}\) ; \(\ce{HSO4–}\) ; \(\ce{(CH3)2NH2+}\) ; \(\ce{CH3–COO–}\) ; \(\ce{NH3}\) ; \(\ce{HCl}\) ; \(\ce{H2CO3}\) ; \(\ce{NH4+}\) ; \(\ce{H2O}\) ; \(\ce{Cl–}\) ; \(\ce{HCO3–}\) ; \(\ce{CH3–COOH}\) ; \(\ce{HO–}\)

Afficher la correction

\(\ce{H2O / HO–}\)

\(\ce{H2CO3 / HCO3–}\)

\(\ce{H2SO4 / HSO4–}\)

\(\ce{H3O+ / H2O}\)

\(\ce{(CH3)2NH2+ / (CH3)2NH}\)

\(\ce{HCO3– / CO3^2–}\)

\(\ce{CH3–COOH / CH3–COO–}\)

\(\ce{NH4+ / NH3}\)

\(\ce{HCl / Cl–}\)