PPT-Q Acid-Base Indicators: Spectrophotometric Methods

Dr Prem D Sattsangi Copyright 2009 1 Molar Absorptivity Define Molar Absorptivity Calculate the molar absorptivity with the following data 125 x 10 4 M solution has 045 OD absorbance at the . Spectrophotometric techniques are used to measure the concentration of solutes in solution by measuring the amount of light that is absorbed by the solution in a cuvette placed in the spectrophotome 1 Definitions . Strong Acids. HCl. HBr. HI. HNO. 3. HClO. 4. H. 2. SO. 4. Acid: a species that supplies H. +. ions to water. Strong acid: an acid that completely ionizes in water forming an H. +. ion and an anion. 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.. of Salts. Acid-Base Properties of Salts. Type of Salt. Examples. Comment. pH of solution. Cation is from a strong base, anion from a strong acid. KCl, KNO. 3. NaCl. NaNO. 3. Both ions are neutral. Neutral. of Salts. Acid-Base Properties of Salts. Type of Salt. Examples. Comment. pH of solution. Cation is from a strong base, anion from a strong acid. KCl, KNO. 3. NaCl. NaNO. 3. Both ions are neutral. Neutral. Prof. Tahir . Shafi. Why should we know about acid base disorders. What are acid base disorders. How to interpret acid base disorder. How to establish the cause. Why to worry about acid base disorders. Substance. that changes . color. in the presence of an . acid . or a . base. Red or Blue Litmus. Phenolphthalein (. phth. ). Bromothymol. blue (blue food coloring). Red cabbage juice. Episode 1102. To make you think… . https://www.youtube.com/watch?v=VrzbRZn5Ed4. Prince . Ea. . Condense Earth’s timeline to 24 hours. Humans have been here for 3 seconds.. I need your full attention and EFFORT. Dr. Prem D. Sattsangi. Copyright © 2009. 1. Molar Absorptivity. Define Molar Absorptivity. Calculate the molar absorptivity with the following data. 1.25 x 10. -4. M solution has 0.45 O.D. absorbance at the . Coakley. 2/27/2014. Quick Review: Acids. Acids are compounds which function as. hydrogen (H+) donors . in biochemical equations/solutes. The more free H+ ions available for donation, the more acidic the compound. Learning Objectives. Describe . what is meant by acids, bases and . buffers. List . normal pH of the body fluids. . Describe . the processes involved in maintenance of normal blood pH. .. Describe . various types of acidosis and alkalosis. Lecture 5. Introduction. A complex system of chemical buffers together with highly specialized mechanisms of the lungs and kidneys continuously work together to ensure a precise balance of water, electrolytes, and pH in both the intracellular and extracellular compartments of the human body. . .. Acid-Base Titration. .. المحاضرة الثانية للجزء العملي. . . Acid-Base Titration. . Analytical chemistry. : is the analysis of material samples to understanding of their chemical composition and structure. It has a wide range of monitoring pollution in the environment, development of new materials, and drug manufacture.. Download PDF Acid Reflux Solution Kit™ eBook by Barton - a comprehensive step-by-step system designed to treat acid reflux and heartburn issues naturally.