Molecular and ionic equations

Chromium Hydroxide will be a tri-basic base, clue is because of its oxidation state being III which gives the metal a plus 3 charge (needs 3 hydroxides to balance the charge). Nitric acid is HNO3, a monoprotic acid. Three monoprotic acids, will be needed for every 1 tri-basic base.

Cr(OH)3 + 3 HNO3 --> Cr3+ + 3NO3- + 3 H2O

Net ionic wil be

3 OH- + 3 H+ --> 3 H2O for these, take away the spectator ions, anions of strong acids, cations of strong bases

Hypochlorous acid (I found it as HOCl) is a monoprotic acid, Calcium Hydroxide, Ca(OH)2 is a di-basic base. Two monoprotic acids with the one di-basic base.

Ca(OH)2 + 2 HOCl --> Ca2+ + 2OCl- + 2 H2O

Net ionic wil be

2 OH- + 2 HOCl --> 2OCl- + 2 H2O

Acetic acid CH3COOH is a monoprotic acid, Potassium Hydroxide, KOH is a mon-basic base. 1:1 ratio here

CH3COOH + KOH ---> CH3COO- + K+ + H2O

Net ionic wil be

CH3COOH + OH- ---> CH3COO- + H2O

Good Luck

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