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Relate how different concentration of sodium thiosulphate reacts with various concentration of hydrochloric acid.

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  • Essay length: 1017 words
  • Submitted: 05/04/2004
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GCSE Aqueous Chemistry

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CHEMISTRY COURSEWORK

(Sodium thiosulphate reacting with hydrochloric acid)

Aim: To relate how different concentration of sodium thiosulphate reacts with various concentration of hydrochloric acid.

Reaction involved will be: Sodium thiosulphate + Hydrochloric acid

Na2 S2O3 + 2HCI

Prediction: I have strongly predicted that according to the collision theory, higher concentration on sodium thiosulphate and a collision with lower concentration amount of water, the speed of the reaction will definitely increase.

Sodium Chloride + Water + Sulphur Dioxide + Sulphur

I have also decided to keep the concentration of acid constant (5ml) while varying the concentration of sodium thiosulphate (10-50 ml).

Apparatus:

1 thermometer

1 beaker

2 measuring cylinders

1 conical flask

1 tripod

1 gauze

1 heatproof mat

1 stopwatch

1 Bunsen burner

X board

1 pair of tongs

1 pair of goggles

1 apron

Practical 1

Method: Firstly make sure that you have carried out a health and safety check on the equipment and the environment the experiment is being taken. Draw out a table to represent where all the results will be placed

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