The aim of this experiment is to determine through calculations the concentration of acetic acid content within a common white vinegar.
Apparatus / Materials
Volumetric flask and lid
Volumetric pipette/s (5mL, 20mL)
Place the plastic tray on the electronic scales and press tare to set the wither to zero;
Weigh out 0.7993g of Sodium hydroxide in the plastic tray on electronic scales;
Rinse a 200ml Volumetric Flask with distilled water;
Rinse a glass funnel with distilled water;
Using the funnel add the Sodium hydroxide into the volumetric flask.
Run distilled water around the edge…
Properties of Acids and Bases Using the Acetic Acid and Sodium Acetate Buffer System
The purpose of this experiment was to explore some of the properties of the acetic acid and sodium acetate buffer system, such as the greatest buffering capacity and the acid and base neutralization ability of several different concentrations of this buffer.
The reagents used were the following: 0.10 M acetic acid, 0.010 M acetic acid, 0.60 M acetic acid, 0.60 M sodium acetate, 0.10 M sodium…
The purpose of the study is to compare and evaluation of the diagnostic efficiency of Toluidine Blue, Lugol’s iodine and Acetic acid in the detection of potentially malignant disorders (PMD’S).
Materials and methods:
The study population consisted of 30 patients with clinically suspicious PMD’S. The lesions were stained consecutively with toluidine blue, lugol’s iodine & acetic acid depending on the retention of the dyes, the biopsy site was determined and sent for…
The procedure of the experiment includes two parts:
1. Determination of the Freezing Point of Glacial Acetic Acid: to record the temperature of acetic acid every 30 seconds until it reach 300 seconds (5 minutes).
2. Determination of the Molar Mass of an Unknown Compound: to record the temperature of the mixture between unknown solid and glacial acetic acid. After that, put the ice-water mixture into the tube and record the temperature every 30 seconds.
Pre lab questions:
1. Solute: dissolved…
Unit 800 produces ethylene and acetic acid through the partial oxidation of ethane. Ethylene, the most abundant product from the unit, is partitioned such that half of the product is used as a feed source for Unit 600 and the other half is sold on the market. Ethylene purity must reach at least 99.5% to be sold as reagent grade. The second desired product, acetic acid, is also sold on the market, at 99% purity.
Unit 800 consists of a fired heater to preheat the reactants, an…
This objective was accomplished when the researchers synthesized esters of raspberry, banana and peach through reacting indicated alcohols and carboxylic acids in the presence of an acid catalyst in a round bottom flask and reflux condenser. This enabled the researchers to synthesize the following esters: pentan-2-yl acetate, benzyl acetate, butan-2-yl methanoate.
The researchers, however, were unable to purify the said crude product due to the instructions given to them by their…
2-butanol and Acetic Acid were refluxed together with anti-bumping granules and a catalyst of sulphuric acid for 1 hour and five minutes. Anti-bumping granules are small ceramic granules which have rough edges. They are added within a mixture to encourage smooth boiling. In this experiment by adding the anti-bumping granules we were able to achieve smooth boiling throughout both the reflux process and the distillation process. Without adding these granules, bubbles of vapour…
Determining Value for Money of Different Brands of Vinegar
Aim – To compare the amount of acetic acid found in two different brands of vinegar to see which is the most cost effective.
• Safety Glasses
• Hair Tie (If appropriate)
• 50mL burette
• 250mL conical flask
• 2 x Beaker
• Measuring Cylinder
• Standard solution of Sodium Hydroxide, NaOH(aq)
• Two different brands of vinegar
• Phenolphthalein Indicator
• A clean white tile
• Distilled water
Title: Stoichiometry to Calculate Reaction of Zinc and Iodine and Law of Conservation of Mass
Authors: Sang Nguyen and Sami Biro
II. Materials and Methods
Zinc (Zn), iodine (I2), acetone (C3H6O), acetic acid (C2H4O2) and zinc iodide (ZnI2) were used to conduct this experiment in order to confirm the validity of the law of conservation of mass as well as to use Stoichiometry to calculate the reaction between zinc and iodine.
There are some precautions that one must…
Did you know the apple cider vinegar in your kitchen right now is also good for you? It has been used as an old school remedy for many years which include helping to cure symptoms of the flu to skin conditions such as warts. Adding a little of this sour liquid to your life may have some great health benefits.
How is it made? There are many sources that vinegar can be made from such as apples, honey, grains, molasses, etc. They all have the ability to be fermented. This can be done by using a…