Lab #10 Titration curves of acids and bases & strong acid/strong base titration curve

November 11, 2024November 11, 2024 Discipline: Chemistry

Lab #10 Titration curves of acids and bases & strong acid/strong base titration curve
PDF file for the lab instruction and your lab report:
https://www.kbcc.cuny.edu/academicdepartments/physci/documents/chemistry/CHM12_Experiment_7_AcidBaseTitrations.pdf

Copy and paste to watch the videos to do the experiment. 

What to watch, data collection and instructions: 

https://www.youtube.com/watch?
v=O_ZMl7UhsPQ&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=13
https://www.youtube.com/watch?

v=zbxcyz6LgWo&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=14
https://www.youtube.com/watch?

v=XMOKFkhyxmI&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=15
https://www.youtube.com/watch?

v=CoT1OmwVTLE&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=16
https://www.youtube.com/watch?

v=gzWrqBKxxJM&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=17
https://www.youtube.com/watch?

v=ajEkK6tfPXc&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=18
https://www.youtube.com/watch?

https://www.youtube.com/watch?v=NlzlO6eoEbM&list=PLyT5BHm0lkuL_yFnpGVJBaLPtQN-iGe8E&index=20


Note: focus on the four titration curves, HCl + NaOH, HCl + NH3, acetic acid + NaOH, acetic
acid + NH3 (acetic acid, CH3COOH, or HOAc); the last titration curve was used to
figure out the concentration of unknown HCl. find out the volume of NaOH used (that
is, when the first derivative dpH / dV reaches the maximum). Then use the following for
17

calculation:
MNaOH (given) * VNaOH (from the curve) = MHCl * VHCl (25 mL or 0.025L, depends on the
demonstration)
In the above equation, you know MNaOH, VNaOH and VHCl. You should be able to figure out MHCl
For the two columns in the table of Part 3, the far right column is for the second trial. If the
second trial is not mentioned in the video clips, you may ignore this column.



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