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Investigating how concentration affects the rate of a reaction between Calcium Carbonate and hydrochloric acid
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Nathan Hind 10C Chemistry I am investigating how concentration affects the rate of a reaction between Calcium Carbonate and hydrochloric acid. In this experiment the concentration of the acid is the independent variable and the volume of gas produced is the dependent variable because the gas being produced is dependent on the concentration of acid. The equation for this experiment is: - Calcium Carbonate + Hydrochloric acid ==> Carbon dioxide + Calcium chloride For the experiment I used: - * 2 100ml measuring cylinders * Washing up bowl * Stopwatch * Beaker * Collection tube * 4 different molar solutions * Water to act as seal on measuring cylinder * 6-9 mm calcium carbonate chips * Electronic scales * Bung to prevent gas leak Fair Test To keep the test fair I will use the same mass of calcium carbonate chips in every experiment making sure they are all roughly the same size. I will use the same volume acid each time and I will...
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