https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:chemical-reactions/x2eef969c74e0d802:introduction-to-titration/v/titration-introduction 2021-07-14T13:19:40Z Acid–base titrations In a titration, a solution of known concentration (the titrant) is added to a solution of the substance being studied (the analyte). In an acid-base titration, the titrant is a strong base or a strong acid, and the analyte is an acid or a base, respectively. The point in a titration when the titrant and analyte are present in stoichiometric amounts is called the equivalence point. This point coincides closely to the endpoint of the titration, which can be identified using an indicator. Jay video https://cdn.kastatic.org/googleusercontent/wwC4m1ihyER4iKAMoxXi7-AkYFcDw9sNGZ-aBTZhjqiqvOtK0B0xeHDfNhLxzAAH3i9_KhFX-QC_aI-omO3_KCA Acid–base titrations In a titration, a solution of known concentration (the titrant) is added to a solution of the substance being studied (the analyte). In an acid-base titration, the titrant is a strong base or a strong acid, and the analyte is an acid or a base, respectively. The point in a titration when the titrant and analyte are present in stoichiometric amounts is called the equivalence point. This point coincides closely to the endpoint of the titration, which can be identified using an indicator. https://cdn.kastatic.org/ka-youtube-converted/d1XTOsnNlgg.mp4/d1XTOsnNlgg.mp4 530 Acid-base titrations https://www.khanacademy.org/science/grade-11-chemistry-snc-aligned/x203b0fc81a964b2d:acid-base-chemistry/x203b0fc81a964b2d:acid-base-titrations/a/acid-base-titration-curves 2021-05-25T21:59:58Z Acid-base titration curves article https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:acids-and-bases/x2eef969c74e0d802:acidbase-titrations/v/acid-base-indicators 2022-10-05T02:43:18.611402953Z Acid–base indicators Acid–base indicators are compounds that change color when they become protonated or deprotonated. Because this color change occurs over a specific pH range, indicators can be used to approximate the equivalence point of an acid–base titration. Jay video https://cdn.kastatic.org/ka_thumbnails_cache/e3c87533-36b9-48e0-83f8-470277478a4a_1280_720_base.png Acid–base indicators Acid–base indicators are compounds that change color when they become protonated or deprotonated. Because this color change occurs over a specific pH range, indicators can be used to approximate the equivalence point of an acid–base titration. https://cdn.kastatic.org/ka-youtube-converted/ZDgYWaeuwbw.mp4/ZDgYWaeuwbw.mp4 425 Acid-base titrations https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:acids-and-bases/x2eef969c74e0d802:acidbase-titrations/e/acid-base-titrations 2023-08-07T17:25:22.494770007Z Acid–base titrations Check your understanding of acid–base titrations in this set of free practice questions designed for AP Chemistry students. exercise https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-curves-and-acid-base-indicators 2021-01-04T18:35:18Z Titration curves and acid-base indicators Choosing the best indicator for different titrations depending on the pH at the equivalence point.  Jay video https://cdn.kastatic.org/googleusercontent/LBKbBshyK99HnBBRKH_uQo1fucyXtiBN0AKwTcrLS08hqvz91pfddHcRX0zdBYk3qt5d7QPXcf-DUGCT1y7Jj9Ss Titration curves and acid-base indicators Choosing the best indicator for different titrations depending on the pH at the equivalence point.  https://cdn.kastatic.org/ka-youtube-converted/1YlXtpF-19A.mp4/1YlXtpF-19A.mp4 430 Acid-base titrations https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:acids-and-bases/x2eef969c74e0d802:acidbase-titrations/v/strong-acid-strong-base-titrations 2022-10-05T02:43:18.611402953Z Strong acid–strong base titrations The results of an acid–base titration can be summarized using a titration curve, which plots pH vs. volume of titrant added. For the titration of a strong acid with a strong base, the curve begins acidic and then turns basic after the equivalence point, which occurs at pH = 7. For the titration of a strong base with a strong acid, the curve is similar except that it begins basic and turns acidic. Jay video https://cdn.kastatic.org/ka_thumbnails_cache/a14940eb-eac6-492f-b57e-d9e05df31acf_1280_720_base.png Strong acid–strong base titrations The results of an acid–base titration can be summarized using a titration curve, which plots pH vs. volume of titrant added. For the titration of a strong acid with a strong base, the curve begins acidic and then turns basic after the equivalence point, which occurs at pH = 7. For the titration of a strong base with a strong acid, the curve is similar except that it begins basic and turns acidic. https://cdn.kastatic.org/ka-youtube-converted/qkh0SMozSBQ.mp4/qkh0SMozSBQ.mp4 540 Acid-base titrations https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-of-a-strong-acid-with-a-strong-base 2023-01-21T04:23:32.614640249Z Titration of a strong acid with a strong base In a strong acid-strong base titration, the acid and base will react to form a neutral solution. At the equivalence point of the reaction, hydronium (H+) and hydroxide (OH-) ions will react to form water, leading to a pH of 7. This is true of all strong acid-strong base titrations. An example of this would be the titration of hydrochloric acid (strong acid) and sodium hydroxide (strong base) to form sodium chloride and water. Jay video https://cdn.kastatic.org/googleusercontent/nwNZe3Ny2HPY4yU1Oztxotau4bFY591l0LXkYtMw-yFr0opryRTcgYCsM2_giS_E3AaMF0RJXz4RT837ls5AcyDrAA Titration of a strong acid with a strong base In a strong acid-strong base titration, the acid and base will react to form a neutral solution. At the equivalence point of the reaction, hydronium (H+) and hydroxide (OH-) ions will react to form water, leading to a pH of 7. This is true of all strong acid-strong base titrations. An example of this would be the titration of hydrochloric acid (strong acid) and sodium hydroxide (strong base) to form sodium chloride and water. https://cdn.kastatic.org/ka-youtube-converted/JoGQYSTlOKo.mp4/JoGQYSTlOKo.mp4 612 Acid-base titrations https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-of-a-strong-acid-with-a-strong-base-continued 2021-07-14T13:19:39Z Titration of a strong acid with a strong base (continued) Calculating the pH at and after the equivalence point for titration of strong acid, hydrochloric acid, with strong base, NaOH.  Jay video https://cdn.kastatic.org/googleusercontent/usBGTj7JEFIJzrg6oTySD_n-BMnmcgzaEMRU-ZwWKAmVNxpI_YeTdB9-J7uqEjUD5Q8LckE4ItwIbaN0Z4OIDpLQrQ Titration of a strong acid with a strong base (continued) Calculating the pH at and after the equivalence point for titration of strong acid, hydrochloric acid, with strong base, NaOH.  https://cdn.kastatic.org/ka-youtube-converted/HO1dsNrzE58.mp4/HO1dsNrzE58.mp4 617 Acid-base titrations https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:acids-and-bases/x2eef969c74e0d802:acidbase-titrations/v/weak-acid-strong-base-titrations 2022-10-05T02:43:18.611402953Z Weak acid–strong base titrations For the titration of a weak acid with a strong base, the pH curve is initially acidic and has a basic equivalence point (pH > 7). The section of curve between the initial point and the equivalence point is known as the buffer region. At the half-equivalence point, the concentrations of the buffer components are equal, resulting in pH = pKₐ. Jay video https://cdn.kastatic.org/ka_thumbnails_cache/71c20289-aa16-40f1-92a3-82ba01f55625_1280_720_base.png Weak acid–strong base titrations For the titration of a weak acid with a strong base, the pH curve is initially acidic and has a basic equivalence point (pH > 7). The section of curve between the initial point and the equivalence point is known as the buffer region. At the half-equivalence point, the concentrations of the buffer components are equal, resulting in pH = pKₐ. https://cdn.kastatic.org/ka-youtube-converted/sZW1qoQl3ng.mp4/sZW1qoQl3ng.mp4 729 Acid-base titrations https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-of-a-weak-acid-with-a-strong-base 2021-07-14T13:19:40Z Titration of a weak acid with a strong base Calculating the pH for titration of acetic acid with strong base NaOH before adding any base and at half-equivalence point.  Jay video https://cdn.kastatic.org/googleusercontent/ukCnRO1OKlFXzmGgv5y8O_nd1XSooBQS_j0xp-NuOeYfWWDBrOjGvfGun_ncAlAY6PYTcwNOSdabM64T6JYHxUs Titration of a weak acid with a strong base Calculating the pH for titration of acetic acid with strong base NaOH before adding any base and at half-equivalence point.  https://cdn.kastatic.org/ka-youtube-converted/x3CbfUr449Y.mp4/x3CbfUr449Y.mp4 867 Acid-base titrations https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-of-a-weak-acid-with-a-strong-base-continued 2021-07-14T13:19:39Z Titration of a weak acid with a strong base (continued) Calculating the pH for titration of acetic acid with strong base NaOH at equivalence point and past the equivalence point.  Jay video https://cdn.kastatic.org/googleusercontent/bwu5usJWd0K2b22PG0c55G2YlsY6OJr29IiuCVmP8uqFhosv7e0Is5aF9UTze3of-cHWEbCOD8uxClAbQaIc9yFXpg Titration of a weak acid with a strong base (continued) Calculating the pH for titration of acetic acid with strong base NaOH at equivalence point and past the equivalence point.  https://cdn.kastatic.org/ka-youtube-converted/WbDL7xN-Pn0.mp4/WbDL7xN-Pn0.mp4 913 Acid-base titrations https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:acids-and-bases/x2eef969c74e0d802:acidbase-titrations/v/weak-base-strong-acid-titrations 2022-10-05T02:43:18.611402953Z Weak base–strong acid titrations For the titration of a weak base with a strong acid, the pH curve is initially basic and has an acidic equivalence point (pH < 7). The section of curve between the initial point and the equivalence point is known as the buffer region. At the half-equivalence point, the concentrations of the buffer components are equal, resulting in pH = pKₐ (where pKₐ refers to the conjugate acid of the weak base). Jay video https://cdn.kastatic.org/ka_thumbnails_cache/65e32ea1-6292-40a6-9e82-e6818947957b_1280_720_base.png Weak base–strong acid titrations For the titration of a weak base with a strong acid, the pH curve is initially basic and has an acidic equivalence point (pH < 7). The section of curve between the initial point and the equivalence point is known as the buffer region. At the half-equivalence point, the concentrations of the buffer components are equal, resulting in pH = pKₐ (where pKₐ refers to the conjugate acid of the weak base). https://cdn.kastatic.org/ka-youtube-converted/IZ7NEYnuovI.mp4/IZ7NEYnuovI.mp4 634 Acid-base titrations https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-of-a-weak-base-with-a-strong-acid 2021-07-14T13:19:40Z Titration of a weak base with a strong acid In a weak base-strong acid titration, the acid and base will react to form an acidic solution. A conjugate acid will be produced during the titration, which then reacts with water to form hydronium ions. This results in a solution with a pH lower than 7. An example of this is the titration of hydrochloric acid (strong acid) into ammonia (weak base), which forms the conjugate acid ammonium and produces an acidic solution. Jay video https://cdn.kastatic.org/googleusercontent/dUbOKPWIfB0HILmSii2afyP5IXGlGZuvRK4qcS5jXds9VUxeO-U4sqs4MNVMxxFncllDgYbLwfSrufNLs1Cvq5Rn Titration of a weak base with a strong acid In a weak base-strong acid titration, the acid and base will react to form an acidic solution. A conjugate acid will be produced during the titration, which then reacts with water to form hydronium ions. This results in a solution with a pH lower than 7. An example of this is the titration of hydrochloric acid (strong acid) into ammonia (weak base), which forms the conjugate acid ammonium and produces an acidic solution. https://cdn.kastatic.org/ka-youtube-converted/pmHlKhv7C0E.mp4/pmHlKhv7C0E.mp4 898 Acid-base titrations https://www.khanacademy.org/science/chemistry/acids-and-bases-topic/titrations/v/titration-of-a-weak-base-with-a-strong-acid-continued 2021-07-14T13:19:39Z Titration of a weak base with a strong acid (continued) Calculating the pH for titration of weak base, ammonia, with strong acid, HCl, at the equivalence point and past the equivalence point. Jay video https://cdn.kastatic.org/googleusercontent/uIKje1Dl2lRQbj-dvnVzjP9Val1aM4lfbeu7YTozQ1fF6oPnCHiD6NVn4_tpkNJI_XII6V_AL5LsHcpucMn3Pq1img Titration of a weak base with a strong acid (continued) Calculating the pH for titration of weak base, ammonia, with strong acid, HCl, at the equivalence point and past the equivalence point. https://cdn.kastatic.org/ka-youtube-converted/kWucfgOkCIQ.mp4/kWucfgOkCIQ.mp4 888 Acid-base titrations https://www.khanacademy.org/science/ap-chemistry-beta/x2eef969c74e0d802:chemical-reactions/x2eef969c74e0d802:introduction-to-titration/v/titration-calculation-example 2022-11-16T04:22:43.7414897Z Worked example: Determining solute concentration by acid–base titration The concentration of an acid solution can be determined by titration with a strong base. First, calculate the number of moles of strong base required to reach the equivalence point of the titration. Then, using the mole ratio from the balanced neutralization equation, convert from moles of strong base to moles of acid. Finally, divide the number of moles of acid by the given volume of the acid solution to find the concentration. Jay video https://cdn.kastatic.org/googleusercontent/0dFNgJGgoVbahvyiY5YntkZQIqccZQ1imVCLKVSbr6rhHiSJCLOk-yy7RFumf8Yo_QP5D62j9NqHxaM0KR10RCc Worked example: Determining solute concentration by acid–base titration The concentration of an acid solution can be determined by titration with a strong base. First, calculate the number of moles of strong base required to reach the equivalence point of the titration. Then, using the mole ratio from the balanced neutralization equation, convert from moles of strong base to moles of acid. Finally, divide the number of moles of acid by the given volume of the acid solution to find the concentration. https://cdn.kastatic.org/ka-youtube-converted/aj34f2Bg9Vw.mp4/aj34f2Bg9Vw.mp4 470 Acid-base titrations https://www.khanacademy.org/science/grade-11-chemistry-snc-aligned/x203b0fc81a964b2d:acid-base-chemistry/x203b0fc81a964b2d:acid-base-titrations/e/titration-questions 2021-06-05T01:54:07Z Titration questions Questions pertaining to titration William Gilpin exercise