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Investigate the effect of changing the concentration of hydrochloric acid and the volume of carbon dioxide produced by a reaction between hydrochloric acid and marble chips (calcium carbonate).
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Chemistry Coursework 2004 To investigate the effect of changing the concentration of hydrochloric acid and the volume of carbon dioxide produced by a reaction between hydrochloric acid and marble chips (calcium carbonate) Mark Millington 10P TEACHER: Mr R Dickens Planning experimental procedures Aim In this coursework I will be investigating to see how the concentration of acid affects the rate of reaction with marble chips. Hypothesis Part 1 I predict that the rate of reaction between the acid and the marble chips (calcium carbonate) will increase as the acid concentration increases. This is because in an acid solution with a greater concentration there are more particles present in the same volume of acid. This means that there are more particles to collide and react with the calcium carbonate. However the rate of reaction should decrease as the reaction proceeds because the hydrochloric acid molecules have been reacted to form water and carbon dioxide meaning that the concentration of the acid decreases...
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