Question: Watch the video on how to set up and perform a titration: https://www.youtube.com/watch?v=sFpFCPTDv2w&t=48s Titration calculation demonstration: https://www.youtube.com/watch?v=2z4m1E6MKOU After watching these videos, answer the following

Watch the video on how to set up and perform a titration:

Watch the video on how to set up and perform a titration: https://www.youtube.com/watch?v=sFpFCPTDv2w&t=48s Titration calculation demonstration: https://www.youtube.com/watch?v=2z4m1E6MKOU After watching these videos, answer the following questions: What is the graduated glass tube used to add the titrant (base) to the analyte (acid)? What is the physical observation when the endpoint has been achieved during titration? What is the molarity of an HCl solution if 43.6 mL of a 0.125 M NaOH solution is needed to titrate a 25.0 mL sample of the acid according to the equation below (show your calculations)? NaOH(aq) + HCl(aq) HO(1) + NaCl(aq) Buffers: Demonstration of buffered versus unbuffered solution: https://www.youtube.com/watch?v=P-R-Cqvb5yo Show your work for this item. What is the pH of a buffer that contains 0.15 M CH3COOH and 0.10 M NaCH3COO (K = 1.8 10-)?

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