Chemistry Internal Assessment Title: Determination of the percentage (%) of ethanoic acid in vinegar Date Experiment was performed: 1st April 2011 Criteria Assessed: DCP‚ CE Apparatus: 2 conical flasks 1 250cm3 volumetric flask ±0.30cm3 Electronic Balance ±0.10g 50cm3 Burette±0.1cm3 25cm3 Pipette±0.06cm3 Materials: 0.20M HCl (±0.02moldm-3) 1.1g solid NaOH (±0.1g) A solution of vinegar of unknown concentration (density= 1.05gcm-3) Phenolphthalein Method: * A solution of NaOH was
Premium Titration Base Erlenmeyer flask
The effect on the pH of Distilled water‚ Potato Solution and Commercial Buffer‚ when Hydrochloric acid (0.1 mol/L) and Sodium Hydroxide (0.1 mol/L) is added Mahima Mandava Mrs. Haist September 23rd‚ 2014 SBI4U1 Background Information: The pH is the measurement of how acidic or how basic a substance can be. The pH scale is used to measure how acidic or basic a living cell can be. The pH scale ranges from 0-14; 0-6 being acidic‚ 8-14 being basic and 7 being neutral. There are many factors
Premium PH
NaOH at 1 M (10 mL per run) • 110 mL of NaOH at 0.5 M (10 mL per run) • 220 mL of Acetic Acid at 50% (10 mL per run). • Vernier Temperature Probe. • Erlenmeyer Flask 200 mL. • Graduated Cylinder 25 mL. • Charged Computer with LoggerPro. Method: I gathered all my materials along with obtaining a lab coat‚ safety glasses‚
Premium Chemical reaction Chemistry Sodium hydroxide
I. Introduction The purpose of this experiment is to determine the pH values of acids‚ bases‚ and buffers of distilled water and 10.0 buffer using measured concentrations of Sodium hydroxide (NaOH) and/or Hydrochloric acid (HCl). Acid is a compound typically having a bitter taste and capable of nullifying alkalis and releases hydrogen ion when added to a solution‚ or containing an atom that can accept a pair of electrons from a base (McKinley‚ Dean O’Loughlin‚ & Stouter Bidle‚ 2016). Bases are water-soluble
Premium Acid Base Sodium hydroxide
PurposeIn this experiment‚ sodium hypochlorite (NaOCl) in acetic acid mixture was used to oxidize emdo-borneol (an alcohol) to camphor (a ketone). The product would then be purified by sublimation and then be analyzed by Infrared spectroscopy and melting point test. Procedure and ObservationsPlease refer to the lab manual and the carbon copy attached. Data and CalculationsWeight of endo-borneol = 0.2013gNo of moles of endo-borneol = 0.2013g/154.25g mol-1 = 1. 305mmolSince one mole of endo-borneol
Premium Chemistry Chlorine Sodium hydroxide
Experiment 5 The Quantitative Determination of an Acid in Carbonated Beverages Thomas Canfield Kelly Caddell Chemistry 144B T.A. Brock Marvin 15 October 2012 Methods: Two sodas containing citric acid were investigated in this experiment. Each soda was titrated using one of the two experimental methods. These methods are the traditional titration and the modern titration. Carbonic acid was already removed from the soda by boiling it. Both of the two different titration methods
Premium Titration Sodium hydroxide PH
Acids and Bases are two groups of chemical compounds that generally have opposite characteristics. They have there own unique traits‚ acids taste sour‚ turn litmus red while bases taste bitter and turn litmus blue. The term pH relates to measuring the acidity or alkalinity of a solution‚ such as vinegar‚ or even a damp substance like soul. The neutral pH is 7‚ which is essentially water‚ with lower numbers indicating acidity and higher numbers indicating alkalinity. Hydronium ions (H3O+) are
Premium PH Acid
Determining the Molarity of Acetic Acid in Vinegar Abstract This experiment was done to determine the molarity of acetic acid in vinegar. The acetic acid in vinegar was titrated with a strong base sodium hydroxide to determine the equivalence point of this chemical reaction. The indicator phenolphthalein was used because the moment it changes color is on the basic side of the pH scale. To insure the experiment was done with the most accuracy‚ the two conductors of this experiment took three
Premium Chemistry Sodium hydroxide Base
with the standard 0.050 M sulphuric acid provided‚ using phenol red indicator until two or three consistent results are obtained. d. Calculate the weight of acetylsalicylic acid in each tablet and compare your results with the manufacturer’s specification. Compare your results with those given in different brands of aspirin. Titration Results Titration trial 1 2 3 Final burette reading (cm3) Initial burette reading (cm3) Volume of acid used (cm3) Average volume
Premium Sodium hydroxide PH indicator Titration
Oxidation of a Secondary Alcohol Using Hypochlorite October 8‚ 2013 Jennifer Karigan CHEM 2081-004 Jonathon Musila Introduction The purpose of the experiment was to oxidize and identify an unknown alcohol using hypochlorite‚ or household bleach. During the experiment‚ the bleach oxidized the secondary unknown alcohol into a liquid ketone which was distilled or boiled to find the boiling point and then identified using a chart of unknown identities
Premium Alcohol Oxygen Chemistry