Many titrations are acid-base neutralization reactions, though other types of titrations can also be performed. A Laboratory Control Spike, abbreviated LCS, is a standard of known analyte concentration that is carried through the sample analysis procedure to evaluate the accuracy of the titration method. The completed reaction of a titration is usually indicated by a color change or an electrical measurement. Results: Table 1: Initial and Final pH of Unknown Solutions This makes sense considering that both are stoichiometrically equivalent given their common molar coefficient. Lab Report: Titration Lab Prepare a solution of a given concentration; understand titration including acid-base reactions, pH, stoichiometry and molar equivalence. An acid-base titration is a quantitative analysis of acids and bases; through this process, an acid or base of known concentration neutralizes an acid or base of unknown concentration. https://www.gpb.org/chemistry-matters/unit-7/titration-lab-results-and-ph Chemistry 101: Experiment 7 Page 1 Experiment Titration is an analytical method used to determine the exact amount of a substance by reacting that substance with a known amount of another substance. Chemicals and equipment: NaOH pellets close to purity, HCl 3M, phenolphtalein Beckers, flasks, burette, magnetic or manual stir pHmeter Waste management: The waste disposal will be handled … In titrations with a weak base and a strong acid, the pH will always be less than 7 at the equivalence point because the conjugate acid of the weak base lowers the pH. CHEMISTRY FOURTH LABORATORY REPORT ACID-BASE TITRATION Written by: Amelia Quinta Jasmine (CHE) Hanifa Karmelia (FT) Syadza Luthfiyya (FT) Date of Experiment: March 18th, 2016 Date of Submission: April 1st, 2016 Department of Chemical Engineering Department of Food Technology Faculty of Life Science International University of Liaison Indonesia 1.1 Purpose In this experiment, the titration … acid and base titrations lab report chm 114 jx abstract this goal was to give us experience finding the standardization of through the use of primary standard. The titration in this lab took place between the strong acid HCl and the strong base, NaOH. We had a measurement at the end of the experiment of 20.2 mL NaOH, for a total of 10mL, or .01L of NaOH used. A titration is an experiment where a volume of a solution of known concentration is added to a volume of another solution in order to determine its concentration. We had an initial measurement of 5.9mL HCl, and ended with 10.9mL HCl. we calculated 10.9mL- 5.9mL in order to find out that the total amount of HCl used was 5mL, or .005L. We started with the NaOH in the buret at 10.2mL. Results: From Part A of this experiment, it was found that the average volume of titrant used to complete the reaction was approximately 26.05 mL meaning that it took about 26 mL of NaOH (aq) for the moles of each reagent to equal each other. ... Place the standardized solution into the burette, and indicate its initial volume in a lab notebook. The purpose in the second part of the experiment was to titrate an unknown solution with 0.1 M NaOH and use the titration curve formed to determine if the unknown acid in the solution was monoprotic or diprotic, as well as determine its pK a (s) and molecular weight. In strong acid/strong base titrations, the equivalence point is found at a pH of 7.00. 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