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Predict whether aqueous solutions of the following compounds are acidic, basic, or neutral. (a) Ba(C2H3O2)2 (b)...

Predict whether aqueous solutions of the following compounds are acidic, basic, or neutral.

(a) Ba(C2H3O2)2 (b) NaNO3 (c) Na2SO4
(d) NaCl (e) Fe(ClO4)3 (f) AlBr3

Solutions

Expert Solution

(a) Ba(C2H3O2)2

Ba(C2H3O2)2 + 2H2O -------> Ba(OH)2 + 2CH3COOH

basic medium because products are strong base Ba(OH)2 and weak acid CH3COOH and strong base dominates.

(b) NaNO3

NaNO3 + H2O ----> NaOH + HNO3

neutral medium because products are strong base NaOH and strong acid HNO3 and they cancell each other effect.

(c) Na2SO4

Na2SO4 + 2H2O -------> 2NaOH + H2SO4

neutral medium as products are strong base NaOH and strong acid H2SO4 and they cancell each other effect.

(d) NaCl

NaCl + H2O ------> NaOH + HCl

neutral medium as products are strong base NaOH and strong acid HCl and they cancell each other effect.

(f) AlBr3

AlBr3 + 3H2O ------> Al(OH)3 + 3HBr

acidic medium, becuse formation Al(OH)3 which is amphoteric and strong acid HBr.

(e) Fe(ClO4)3

Fe(ClO4)3 + 3H2O -------> Fe(OH)3 + 3HClO4

Solution is acidic medium because of formation of weak base fe(OH)3 and strong acid HClO4.

queen_honey_blossom answered 1 year ago
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