Chemistry Help with Complex Acid-Base Titration

Click For Summary
The discussion centers on the complexities of calculating concentrations in a titration involving citric acid and a base, highlighting confusion over the application of the formula C1V1=C2V2 due to a 3:1 molar ratio. The user questions whether the stoichiometric ratio should be incorporated into the equation, particularly since the volume of the base (C2) is unknown. There is a suggestion to abandon the C1V1=C2V2 formula in favor of a more straightforward approach using stoichiometry and moles for clarity. The conversation emphasizes the potential pitfalls of relying on shortcuts without understanding the underlying principles. Ultimately, a deeper grasp of stoichiometry is recommended for accurate titration calculations.
kofffie
Messages
1
Reaction score
0
Homework Statement
Help! I am confused with my assignment. it was about complex acid base titration. the analyte was citric acid and the titrant was a base. To find it, I need to search for C1V1=C2V2, however during the balanced equation, there is 3 mol of my base that will be reacting to 1 acid. Will the ratio of mol be included in the C1V1=C2V2 equation.? Lets say that C1 is the acid and C2 is the base. What will the equation now? the volume of C2 is missing
Relevant Equations
C1V1=C2V2
Help! I am confused with my assignment. it was about complex acid base titration. the analyte was citric acid and the titrant was a base. To find it, I need to search for C1V1=C2V2, however during the balanced equation, there is 3 mol of my base that will be reacting to 1 acid. Will the ratio of mol be included in the C1V1=C2V2 equation.? Let's say that C1 is the acid and C2 is the base. What will the equation now? the volume of C2 is missing
 
Physics news on Phys.org
Forget about C1V1=C2V2, just go for stoichiometry and moles.

Compare with http://www.titrations.info/titration-calculation

The idea of using C1V1=C2V2 to facilitate calculations does IMHO more harm than good to students - they never remember the logic behind, they think the shortcut is the right thing.
 

Similar threads

Chemistry Are there typos in this snippet causing confusion?
Replies
2
Views
1K
Chemistry Comparing methods of computing pH at equivalence point in titration
Replies
4
Views
1K
Chemistry How to take into account autoprotolysis in weak base solution?
Replies
8
Views
2K
Chemistry A seemingly simple titration problem
Replies
4
Views
1K
Titration Troubles: Where Did We Go Wrong?
Replies
5
Views
2K
Chemistry Moles of NaOH to Create Buffer Solution pH=6 in 0.42M Ethanoic Acid
Replies
3
Views
3K
Chemistry How to calculate pH at equivalence point using this alternative?
Replies
7
Views
1K
Titration error affecting the PH of the endpoint
Replies
23
Views
6K
What is the Importance of Choosing the Correct Endpoint in a Titration?
Replies
7
Views
5K
Question about acid and base indicators
Replies
7
Views
7K