PPT-Titration of a weak acid

acetic acid CH 3 COOH pKa 48 10 08 06 02 04 OH equivalents pH A H A H A HA 1 1000 pH 18 pK a 30 Titration of a weak acid acetic acid CH. Lab 10. Outline. Purpose. Potentiometric. Titrations. Proticity. Equivalence. pK. a. Vinegar Titration. Calculations. Waste. Following Lab Reminder. pH Probe Calibration. Purpose. Students will use a pH probe to perform potentiometric titrations to determine the mass percent of acetic acid in vinegar and the pKa of acetic acid. . Chemistry: The Molecular Nature of Matter, 6. th. edition. By . Jesperson. , Brady, & . Hyslop. acid. –base, 198–199, 811–. 819. redox . reactions, 239–240. Titration. Titrations are a type of . Titration. Acid–Base Titration. The concentration of a weak acid or a weak base in water is difficult – if not impossible – to measure directly.. But we can calculate the concentration from the results of titration.. Topic 9.1. Redox titration reactions. in both titration labs so far this year…. recall if you know 2 out of 3 in in one solution:. M. = . # moles . /. volume(L). you can always solve for the unknown. Learning Goals …. … determine the pH of the solution formed in a neutralization reaction. … . determine the pH of the solution formed in a neutralization . reaction that has not yet reached . Meshail. . AlMuhanna. 201101736. Alaa. . AlGhamdi. 201101033 . Alaa. . AlMobarak. 201101810. Fajer. . AlBoaynen. 201100589. Sec 215. Objective:. To . determine the molarity of hydrochloric acid in the given sample.. Lab 9. Practical . Blood Bank. Titration is a semi quantitative method used to determine the concentration of antibody in a serum sample. or . to compare the strength of antigen expression on different red cell samples. . acetic acid, CH. 3. COOH, . pKa. = 4.8. 1.0. 0.8. 0.6. 0.2. 0.4. OH. -. equivalents. pH:. A. H. A. -. H. +. [A. -. ] . : [HA] = 1 : 1000. pH: . 1.8. = . pK. a. –3.0. Titration of a weak acid. acetic acid, CH. Volumetry. ). -Acid Base . equilibria. Classical Quantitative Analysis . 2-Titrimetry (volumetric) analysis. Introduction. The term titrimetric analysis refers to quantitative chemical analysis carried out . the process of determining the molarity of an acid or base by using an acid-base reaction where one reactant is of known molarity. .. Get your lab book and copy the lab.. Title. : Acid/Base Titration. Titration. Volumetric analysis relies on methods involving the accurate measurement of . volumes. of solutions, although . mass. measurements may also be required.. Essentially, we measure the volume of a standard solution (one of . weak conjugate base. A buffer is . resistant to changes in . pH because it can neutralize any strong acid or base added to it. 2A-1 . (of . 14). SOLUTION EQUILIBRIA. A solution contains both HF and F. Amino acids are weak . polyprotic. acids . . Neutral amino acids are (. gly. , ala, threonine ) are treated as diprotic acids .. acidic amino acids (. glu. , asp,) are treated as . triprotic. acids .. Determination of Chloride by the Mohr Method.  . What is precipitation titration. Volumetric methods based upon the formation of slightly soluble precipitate are called . " . precipitation titration .