• Analysis of Bleach
    Redox Titration Analysis of a Commercial Bleach Purpose To perform a redox titration. To determine the amount of hypochlorite ion present in commercial bleach. Introduction Many commercial products, such as bleaches and hair coloring agents, contain oxidizing agents. The most common oxidizing...
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  • Oxidation – Reduction Titration: Determination of Iron (II)
    performed titrations using Potassium permanganate which is a strong oxidizing agent, with unknown sample dissolved in deionized water. The result of the experiment was a 99.5% purity for the anhydrous iron (II) ammonium sulfate. Introduction: In this experiment, oxidation/reduction (or redox) will be...
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  • Titration
    of the General Form of the Titration Curve in Terms of Concentration Writing a Single Closed-Form Expression for the Titration Curve for a Variety of Titrations without Using Approximations or Segmentation Robert de Levie Georgetown University, Washington DC 20057 Titration curves can be described in...
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  • Who you are
    Oxidation and Reduction Reactions Workbook   Period/Topic Worksheets Quiz   1. Oxidation, Reduction, Agents, & Reactions. WS 1 2. Lab: The Strength of Oxidizing Agents. 3. Oxidation Numbers Spontaneous Reactions WS 2 1 4. Oxidation Numbers, Application to Reactions. WS...
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  • Jc Experiment
    (fresh and preserved) using titration and to rank these sources of vitamin C. Skills At the end of the laboratory session you should be able to: x use a pipette correctly, x use a pipette filler safely, x manipulate a burette and carry out a quantitative titration properly, x weigh a sample...
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  • determination of vitamin c content of tablet
    ascorbic acid and other ascorbates.) Ascorbic acid, C6H8O6, is a reducing agent that reacts rapidly with iodine (I2). As the iodine is added during the titration, the ascorbic acid is oxidized to dehydroascorbic acid, while the iodine is reduced to iodide ions as shown in the following equation: (studymode...
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  • Analysis of Commercial Bleach Lab
    will be added to the bleach using a buret in a titration procedure. The disappearance of the dark blue color of the starch-iodine complex will signal the end point. II. Procedures Pre-Lab Questions 1. What is meant by a “titration”? Titration is a technique where a solution of known (acid or...
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  • Chemistry
    Lab Report 7 Composition of Pennies Using Oxidation-Reduction and Precipitation Reactions In this lab we used a redox reaction and precipitation reactions in order to find the composition of pennies. A redox reaction is a reaction where the reducing agent transfers electrons to the oxidizing agent...
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  • Vitamin C
    (fresh and preserved) using titration and to rank these sources of vitamin C. Skills At the end of the laboratory session you should be able to: * use a pipette correctly, * use a pipette filler safely, * manipulate a burette and carry out a quantitative titration properly, * weigh a...
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  • Pavan
    CHEMISTRY –II UNIT-I Electrochemistry Principles Redox reactions Redox stands for reduction-oxidation, and are electrochemical processes involving electron transfer to or from a molecule or ion changing its oxidation state. This reaction can occur through the application of an external...
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  • Chemy
    that used is 5.11g and 5.18g of sample. Then the samples are filtered again before analysis. Titration using iodine was used to analyze where there are contain or not ascorbic acid in fresh orange. The titration method was used to developed and validated for determining the amount of ascorbic acid in fresh...
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  • Chem
    EXPERIMENT 7 : REDOX TITRATION OBJECTIVE To standardize the potassium permanganate solution and to determine the composition of metal by titration method. INTRODUCTION Oxidation-reduction processes involve electrons transfer from one species to another. Potassium permanganate has been widely...
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  • Ib Bio Syllabus
    OxidatiOn and ReductiOn OxidatiOn & ReductiOn 9.2 9 Introduction to oxidation and reduction Redox equations Some common oxidising agents and reducing agents (EXT) 9.3 Reactivity 9.4 Voltaic cells 19.1 Standard electrode potentials (AHL) 9.5 Electrolytic cells 19...
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  • Chemistry
    20 M KOH to give 0.5 M KOH? Ans = 175 mL 1.3: Stoichiometry (a) Determine the oxidation number of an element in a chemical formula. (b) Write and balance: (i) Chemical equation by inspection method (ii) Redox equation by ion-electron method (c) Define limiting reactant and percentage yield. (d)...
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  • Good
    College of Science Determination of Vitamin C Concentration by Titration (Redox Titration Using Iodine Solution) Safety Lab coats, safety glasses and enclosed footwear must be worn at all times in the laboratory. Solutions Needed Iodine solution: (0.005 mol L−1). Weigh 2 g of potassium iodide...
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  • Iron Lab Report
    INTRODUCTION: A Redox titration was used in order to perform this experiment. Reduction/oxidation (redox) process occurs when electrons are transferred from a donor species (the reducing agent) to another acceptor species (the oxidizing agent). It happens between an analyte and a titrant. A redox titration is done...
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  • Chemistry
    of the desired pH. Acid–Base Titrations and Indicators. Neutralization titrations can be experimentally measured using a pH meter or they can be calculated using the principles developed in this chapter. Both methods yield the same result, a titration curve. The titration curve contains important information...
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  • AP Chem Study Guide
    2Cl(aq) Ba and Cl are spectators. Net is: H(aq) + OH(aw)  H2O(l) Redox reactions: electrons are transferred from one atom to another. Oxidation is a chemical change in which an aton, ion, or molecule loses electrons. Reduction is a chemical change in which GAINS electrons. LEO the lion says GER ...
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  • Chemistry Report
    Topic : Redox Direct Titration Aim : * To prepare a standard solution of iron (II) * To determine the concentration of potassium permanganate solution Hypothesis : Apparatus/Materials : A) Preparation of Standard Iron (II) Solution Pure hydrated iron (II) ammonium sulfate, Fe (NH4)2 (SO4)...
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  • Exam
    bases 8.2 Properties of acids and bases 8.3 Strong and weak acids and bases 8.4 The pH scale Topic 9: Oxidation and reduction 9.1 Introduction to oxidation and reduction 9.2 Redox equations 9.3 Reactivity 9.4 Voltaic cells 9.5 Electrolytic cells Topic 10: Organic chemistry 10.1 Introduction...
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