Essays Tagged: "Burette"

This is a first year chemistry lab. It is a titration to discover which acid reducer (Tums or Hy-Vee brand) neutralized the most acid(portrayed by vinegar).

money on advertising, then they most likely have a product they can stand by.Materials: Two beakersBuretteTwo Mortars and pestlesMethyl OrangeOne Tums tablet (uncolored and unflavored; this is import ... 15 mL of methyl orange to each, again using a graduated cylinder, to the beakers. Nest, I filled a burette up to the "0" mark with vinegar. Having done this, I preformed a titration. I let the burett ...

(1 pages) 44 2 2.0 Nov/2003

Subjects: Science Essays > Chemistry

Rates if Reaction GCSE Cousrework

tion has taken place) will be carbon dioxide, as a gas it can easily be bubbled off and measured in burette. The test will be time related e.g. seeing how long the mixture took to fill a 50 ml burette ... refore believe that the stronger the acid the faster the gas will reach the 50 cm cubed mark in the burette.Scientific IdeasI will now explain my predictions above. The reason that the rate of reactio ...

(13 pages) 47 0 3.0 Feb/2004

Subjects: Science Essays > Chemistry

Effect of tempreature on sodium thiosulphate

t;One beaker of HCl stored at room temperature·One beaker of HCl heated in water bath·Burette/ pipette/ measuring cylinder (I used all three)·Sodium Thiosulphate·Clear coni ... lped me to be aware of certain apparatus and methods for my coursework experiment. I found that the burette was easier to use and was more accurate than the measuring cylinder or the pipette. I also f ...

(7 pages) 47 0 3.0 Mar/2004

Subjects: Science Essays > Chemistry

Establishing the concentration of a limewater solution

hat I will use are as follows: -1) Pipette 25cm32) Volumetric flask 500cm33) Conical flask 250cm34) Burette5) White tile6) Clamp and stand7) Indicator (methyl orange)8) Limewater (250cm3 with 1g dm?3 ... choose accurate and reliable equipment. That is why I have chosen the pipette, volumetric flask and burette. All of these instruments have an accuracy of ±0.05cm3, which is suitable for my expe ...

(5 pages) 53 0 5.0 Jun/2004

Subjects: Science Essays > Chemistry

How the rate of reaction changes in a reaction between Hydrochloric Acid and Sodium Thiosulphate

Equipment UseStop clock To time the experimentConical flask To collect all the chemicals together inBurette To measure accurately all the chemical and waterSodium thiosulphate Chemical used in this ex ... or shaped x on the paper each time.We made our measurements accurate by measuring everything use a burette to the very last ml and therefore got the results accurately however we could have done the ...

(4 pages) 58 0 3.6 Jul/2004

Subjects: Science Essays > Chemistry

To determine the % by mass of manganese (IV) oxide in a solid sample. ( By Titration )

n mark.Part A1. Diluted sodium thiosulphate solution with unknown concentration was poured into the burette.2. 25cm3 of standard 0.027M iodine solution was pipetted out and pour into a conical flask.3 ... en shook well.13. Diluted sodium thiosulphate solution (standardized in Part A) was poured into the burette.14. 25cm3 of the diluted solution was pipetted out and poured into a conical flask.15. The d ...

(2 pages) 31 0 4.0 Nov/2005

Subjects: Science Essays > Chemistry

Analysis of the mass of acetylsalicylic acid (aspirin) in an Aspirin Tablet.

.10. Two to three drops of methyl orange indicator solution was added into the conical flask..11. A burette was filled with the sulphuric acid of unknown concentration.12. The flask was swirled during ...

(2 pages) 49 0 3.0 Jan/2006

Subjects: Science Essays > Chemistry

The aim of the experiment is to determine the percentage of aspirin in different commercial preparations (Aspirin & Magnyl) and to find out which is the best value for money.

ethanol*Digital scale*Conical flask*Graduated cylinder*Beaker*Clamp*Magnate stirrer*Funnel*Pipette*Burette*Pestle & MortarProcedure:*Aspirin 500mg, 20 tablets for 27.15 DKK. Each tablet for 1.35 ... you get a change in colour. As you see a light purple in your solution, stop titrating and read the burette.Setup:1.I accurately weighed the mass of an Aspirin tablet on a digital scale.m (Aspirin tab ...

(5 pages) 30 0 5.0 Jan/2007

Subjects: Science Essays > Chemistry

Effect of Temperature on a Reaction: To investigate the effect of temperature in a reaction between potassium manganate and glucose.

). 0.02 mol dm-3 Potassium Manganate2). 0.2 mol dm-3 Glucose3). 2 mol dm-3 Sulphuric Acid4). 50 cm3 Burette5). 250 cm3 Beaker6). Measuring Cylinder7). Thermometer (-10 to 110 oC)Hypothesis:By adding g ... acid into a 250 cm3 beaker, add 50 cm3 of water using the same measuring cylinder, and then, from a burette, run in 5 cm3 of the potassium manganate (VII) solution. Heat the resulting mixture to about ...

(2 pages) 27 0 3.2 May/2007

Subjects: Science Essays > Chemistry

Titration Lab Discussion

ution. And as a result a salt (NaCl) and water were formed.The methods used were quiet precise. The burette and pipette have some limitations due to being less precise. The volume of burette limited t ... could possibly be as follow:•NAOH was lost to splashing before the end point was reached•Burette may have been contaminated with some other solution other than the one being tested•Rea ...

(2 pages) 34 0 3.0 Jan/2009

Subjects: Science Essays > Chemistry

Molarity Calculations

(7 pages) 0 0 0.0 May/2014

Subjects: Science Essays > Chemistry