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How the concentration of hydrochloric acid affects the reaction of mixing it with marble chips.
Member rating: No Rating | Words: | Submitted: Mon Mar 15 2004
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This coursework is looking at how the concentration of hydrochloric acid affects the reaction of mixing it with marble chips. The Experiment The experiment will look something like this: As the HCl reacts with the CaCO3, CO2 gas is produced, causing the gas syringe to start moving. At regular intervals (10 seconds), the amount of CO2 produced will be recorded, so that a pattern emerges. Different amounts of HCl will be used, in 0.2 intervals, from 1M to 2M, that is a total of six readings, which can be used to compare, and hopefully a conclusion can be made on whether concentration does make a difference or not. Prediction I predict, that the reaction rate will increase as the concentration increases. This is based on theory work that has been done in GCSE Chemistry lessons, which will now be described on the next page: Theory As seen in 'Chemistry Made Clear - GCSE Edition' in order for a...
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