A student is titrating 50 mL of 0.32 M NH3 with 0.5 M HCl. How much hydrochloric acid must be added to react completely with the
1 answer:
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<u>Answer:</u>
<u>For (a):</u> The balanced net ionic equation is and the sum of coefficients is 4
<u>For (b):</u> The balanced net ionic equation is and the sum of coefficients is 4
<u>For (c):</u> The balanced net ionic equation is and the sum of coefficients is
<u>For (d):</u> The balanced net ionic equation is and the sum of coefficients is 4
<u>For (e):</u> The balanced net ionic equation is and the sum of coefficients is 3
<u>Explanation:</u>
Net ionic equation is defined as the equations in which spectator ions are not included.
Spectator ions are the ones that are present equally on the reactant and product sides. They do not participate in the reaction.
- For (a): Sodium sulfide and silver nitrate
The balanced molecular equation is:
The complete ionic equation follows:
As sodium and nitrate ions are present on both sides of the reaction. Thus, they are considered spectator ions.
The net ionic equation follows:
Sum of the coefficients = [2 + 1 + 1] = 4
- For (b): Lead(II) nitrate and sodium chloride
The balanced molecular equation is:
The complete ionic equation follows:
As sodium and nitrate ions are present on both sides of the reaction. Thus, they are considered spectator ions.
The net ionic equation follows:
Sum of the coefficients = [2 + 1 + 1] = 4
- For (c): Calcium nitrate and potassium carbonate
The balanced molecular equation is:
The complete ionic equation follows:
As potassium and nitrate ions are present on both sides of the reaction. Thus, they are considered spectator ions.
The net ionic equation follows:
Sum of the coefficients = [1 + 1 + 1] = 3
- For (d): Barium nitrate and sodium hydroxide
The balanced molecular equation is:
The complete ionic equation follows:
As sodium and nitrate ions are present on both sides of the reaction. Thus, they are considered spectator ions
The net ionic equation follows:
Sum of the coefficients = [2 + 1 + 1] = 4
- For (e): Silver nitrate and sodium chloride
The balanced molecular equation is:
The complete ionic equation follows:
As sodium and nitrate ions are present on both sides of the reaction. Thus, they are considered spectator ions.
The net ionic equation follows:
Sum of the coefficients = [1 + 1 + 1] = 3