Write balanced molecular and net ionic equations for the reaction that occurs when each of...

Write balanced molecular and net ionic equations for the reaction that occurs when

each of the following is added to a perchloric acid solution.

a) a barium hydroxide solution

b) solid barium sulfate

c) aluminum metal

Expert Solution

(a)The balanced molecular equation is 2HClO₄(aq) + Ba(OH)₂(aq) Ba(ClO₄)₂(aq) + 2 H₂O(l)

Complete ionic equation is : 2H⁺(aq) + 2ClO₄^-(aq) + Ba²⁺ (aq) + 2OH^-(aq) Ba²⁺ (aq) +2ClO₄^-(aq) + 2 H₂O(l)

Net ionic equation is obtained by cancelling the common ions on both side of the complete ionic equation.

2H⁺(aq) + 2OH^-(aq) 2 H₂O(l)

(b) There is no reaction between perchloric acid solution & solid barium sulfate.

(c) The balanced molecular equation is 2Al(s) + 6HClO₄(aq) 2Al(ClO₄)₃(aq) + 3H₂(g)

The total ionic equation is : 2Al(s) + 6H⁺(aq) + 6ClO₄^-(aq) 2Al³⁺(aq)+ 6ClO₄^-(aq) + 3H₂(g)

The net ionic equation is : 2Al(s) + 6H⁺(aq) 2Al³⁺(aq) + 3H₂(g)

queen_honey_blossom answered 2 hours ago

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