Investigation: How does the concentration affect the rate of a reaction?
Date Submitted: 09/10/2006 01:29:29
Category: / Society & Culture / Religion
Length: 6 pages (1601 words)
Category: / Society & Culture / Religion
Length: 6 pages (1601 words)
Investigation:
How does the concentration affect the rate of a reaction?
Aim:
To investigate the effect of concentration on the rate of a chemical reaction between sodium thiosulphate solution and hydrochloric acid.
Reaction:
I will investigate the reaction between different concentrations of sodium thiosulphate solution with hydrochloric acid.
Na2S2O3(aq) + HCL(aq) = S(s) = H2O(l) + SO2(g) + NaCl(s)
(sodium thiosulphate + hydrochloric acid = sulphur + water + sulphur dioxide + sodium chloride)
Background Information
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…vice versa. This is why the eye is not a good instrument of measure! Instead, when repeating this experiment in the future I will use a data logger and a sensor.
Overall, I am pleased with my results and my predictions as they are reasonably accurate and have given me reliable results. My results have enabled me to draw two graphs which support my predictions and from which I have been able to draw conclusions.
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