Post-lab questions hat are two possible sources of error in the experiment? explain 2. when an acid reacts completely with a base the process is often called neutralization. if the product mixture is neutral, the ph should be 7 at the equivalence point. what is the ph at the equivalence point for the reaction in part i? if it is not equal to 7, explain why. 3. phosphoric acid has three ionizable hydrogens but only two equivalence points were observed. explain why the third equivalence point is not observed. Skip to main content

Post-lab questions hat are two possible sources of error in the experiment? explain 2. when an acid reacts completely with a base the process is often called neutralization. if the product mixture is neutral, the ph should be 7 at the equivalence point. what is the ph at the equivalence point for the reaction in part i? if it is not equal to 7, explain why. 3. phosphoric acid has three ionizable hydrogens but only two equivalence points were observed. explain why the third equivalence point is not observed.

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Question: Post-lab questions hat are two possible sources of error in the experiment? explain 2. when an acid reacts completely with a base the process is often called neutralization. if the product mixture is neutral, the ph should be 7 at the equivalence point. what is the ph at the equivalence point for the reaction in part i? if it is not equal to 7, explain why. 3. phosphoric acid has three ionizable hydrogens but only two equivalence points were observed. explain why the third equivalence point is not observed.

Two possible sources of error in the experiment could be inaccurate measurement of the volume of the solutions added or imprecise readings of the pH meter, which could affect the accuracy of the results obtained.


The pH at the equivalence point for the reaction in part I may not be exactly 7 due to factors such as the presence of impurities in the solutions, incomplete reaction of the acid and base, or the use of an insufficient amount of indicator.


Phosphoric acid has three ionizable hydrogens, but only two equivalence points were observed because the third ionization reaction requires a much higher concentration of hydroxide ions to occur, which is not typically achieved in the reaction mixture. As a result, the third equivalence point is not observed in the experiment.



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