Acidity of Hydrated Metal Ions
Aqueous solutions of certain metal ions are acidic because the hydrated
metal ion transfers an H+ ion to water.
Generalized Reactions
M(NO3)n(s) + xH2O(l) M(H2O)xn+(aq) + nNO3-(aq)
M(H2O)xn+(aq) + H2O(l) M(H2O)x-1OH(n-1)+(aq) + H3O+(aq)
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