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Investigate a variable that affects the rate of reaction between calcium carbonate and hydrochloric acid.
Member rating: No Rating | Words: | Submitted: Mon Jan 12 2004
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Rates Investigation Aim: - Investigate a variable that affects the rate of reaction between calcium carbonate and hydrochloric acid. I am going to investigate how the strength of the hydrochloric acid affects the rate at which the products are given off between the acid and the calcium carbonate. Preliminary Work: - For my preliminary work I looked at the products of 0.25M and 2M hydrochloric acid and calcium carbonate. Since the variable is the strength of the acid I kept everything else the same to ensure it was a fair test. I used 10cm3 of each acid measured in a measuring cylinder, a marble chip that weighed 0.7g and I measured the rate of the reaction by seeing how much carbon dioxide was being given off every 30 seconds for four minutes. To find out how much carbon dioxide was given off I used a measuring cylinder full of water and when carbon...
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