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Rates of reactions coursework (GCSE)
Title: Rates of reactions coursework (GCSE)
Category: Science & Technology / Chemistry
Details: Words: 972 | Pages: 4.1 (approximately 235 words/page)
Rates of reactions coursework (GCSE)
Rate of reaction
The Effect of concentration on the reaction between magnesium and hydrochloric acid.
Mg(s) + 2HCl(aq) MgCl2(aq) + H2(g)
Aim:
In this experiment I am going observe and record the reaction between magnesium and different concentrations of hydrochloric acid.
Prediction:
I think that the high concentrations of acid such as 1.0 and 0.8mols we have the most rapid reaction and let off more gas a lot quicker. The weaker concentrations such as 0.2 …showed first 75 words of 972 total…
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…showed last 75 words of 972 total…the acid remains in excess.
Evaluation:
I think that I carried out this preliminary experiment quite well and ended up with a good set of results. I think I could improve this experiment by maybe repeating it and then comparing the 2 sets of results and seeing if there are any differences. I also think it could be improved if I added in more concentrations to give me more accurate and a wider range of results.
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