Make sure to indicate the physical state of the products (s, l, g, aq) and include...

Make sure to indicate the physical state of the products (s, l, g, aq) and include any coefficients in front of the products needed to balance the equation. Then provide the total ionic equation and the net ionic equation for each reaction.

a) HBr (aq) + NH3 (aq) --->

b) H3PO4 (aq) + Ba(OH)2 (aq) --->

Solutions

Expert Solution

a) The molecular equation taking place is

HBr (aq) + NH₃ (aq) ------> NH₄Br (aq)

The complete ionic equation is

H⁺ (aq) + Br^- (aq) + NH₃ (aq) --------> NH₄⁺ (aq) + Br^- (aq)

Cancel out the common ions from both sides and write the net ionic equation as

H⁺ (aq) + NH₃ (aq) -------> NH₄⁺ (aq)

b) The molecular equation taking place is

2 H₃PO₄ (aq) + 3 Ba(OH)₂ (aq) --------> Ba₃(PO₄)₂ (s) + 6 H₂O (l)

The complete ionic equation is

6 H⁺ (aq) + 2 PO₄^3- (aq) + 3 Ba²⁺ (aq) + 6 OH^- (aq) --------> Ba₃(PO₄)₂ (s) + 6 H₂O (l)

The net ionic equation is the same as the complete ionic equation, since there are no common ions on both sides.

queen_honey_blossom answered 1 year ago

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