Write balanced net ionic equations for each of following reactions:
a) Dissolving solid Fe(OH)3 in hydrochloric acid.
b) The precipitation of barium chromate, BaCrO4.
c) The dissolving of Al(OH)3 in excess NaOH.
a) Dissolving solid Fe(OH)3 in hydrochloric acid.
Fe(OH)3 + 3 HCl ------------------> FeCl3 (s) + 3H2O
Net ionic equation : Fe3+ + 3Cl- -------------> FeCl3 (s)
b) The precipitation of barium chromate, BaCrO4.
Ba(OH)2 + K2CrO4 -------------> BaCrO4 (s) + 2 KOH
Net ionic equation : Ba2+ + CrO42- ------------> BaCrO4
c) dissolving of Al(OH)3 in excess NaOH.
Al(OH)3 + 3NaOH -------------> Na3Al (s) + 3H2O
Net ionic equation : Al3+ + 3Na+ --------------> Na3Al
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