Solving a Reaction Problem: Total Ionic Equation

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Discussion Overview

The discussion revolves around writing the total ionic equation for the reaction between aqueous ammonium acetate and sulfuric acid. Participants explore the concepts of neutralization reactions, ionic equations, and the role of various ions in the reaction.

Discussion Character

  • Exploratory
  • Technical explanation
  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • One participant presents the complete formula equation and attempts to write the total ionic equation but expresses uncertainty about its correctness.
  • Another participant suggests that the reaction is a neutralization between acetate and sulfuric acid and mentions the need to consider the ammonium ion's acid dissociation constant (Ka).
  • A different participant questions the necessity of calculating pH and emphasizes that the focus should be on writing the net ionic equation instead.
  • One participant claims that the ammonium ion and hydrogen sulfate ion are spectator ions and proposes a possible net ionic equation involving hydrogen ions and acetate ions forming acetic acid.
  • Another participant encourages writing the net ionic equation related to the neutralization reaction for further discussion.

Areas of Agreement / Disagreement

Participants express differing views on which ions should be included in the net ionic equation, particularly regarding the role of ammonium and hydrogen sulfate ions. There is no consensus on the final form of the net ionic equation or the necessity of considering pH.

Contextual Notes

Participants have not reached agreement on the definitions of spectator ions in this context, and there are unresolved questions regarding the balancing of the equation and the role of Ka in the reaction.

Who May Find This Useful

This discussion may be useful for students and individuals interested in understanding ionic equations, neutralization reactions, and the complexities involved in writing chemical equations in aqueous solutions.

PhysicsinCalifornia
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I have trouble writing the total ionic equation when aqueous ammonium acetate is mixed with sulfuric acid.

After I wrote the complete formula equation, I got:
[tex]2NH_{4}C_{2}H_{3}O_{2}(aq) + H_{2}SO_{4}(aq) \rightarrow (NH_{4})_{2}SO_{4}(aq) + 2HC_{2}H_{3}O_{2}(aq)[/tex]

I don't know how this is written in the total ionic equation. Can anyone help?

So far, I got:
[tex]2NH^+_4(aq) + 2C_2H_3O_2(aq) + H^+(aq) + HSO^-_4(aq) \rightarrow 2NH^+_4(aq) +SO^{2-}_4(aq) + 2H^+(aq) + 2C_2H_3O_2^-(aq)[/tex]
 
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You're going to have a neutralization reaction between acetate and sulfuric acid right? You'll need to also consider the ammonium and it's Ka.
 
GCT said:
You're going to have a neutralization reaction between acetate and sulfuric acid right? You'll need to also consider the ammonium and it's Ka.

What is Ka? I thought that I was supposed to write the ions of the aqueous solutions for both reactant and product. I did this in lab last week, so I know that there must be some reaction. I don't know how to balance the equation or write the ionic equation for this mixture.
 
GCT said:
You're going to have a neutralization reaction between acetate and sulfuric acid right? You'll need to also consider the ammonium and it's Ka.

he's only asked to write the net ionic equation not solve for th pH, from what he has written, i think

isnt what you have written all you have to do anyway?
 
The ammonium ion is a spectator ion, so that won't be in the net ionic equation. Also, the H+ will react with the C2H3O2- to form acetic acid. I don't think HSO4- will dissociate at all, so the sulfate ion will not form...I think HSO4- will also be a spectator ion.

I think the net ionic equation might be:

H+ + C2H3O2- ---> HC2H3O2

I may be wrong though - this is one of my worst parts of chemistry =(
 
Yeah, at least write up the net ionic equation pertaining to the neutralization reaction, and we can go from there.
 

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