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An investigation into the corrosion of limestone
Member rating: No Rating | Words: | Submitted: Thu Jul 11 2002
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An investigation into the corrosion of limestone In this experiment, I will be investigating the reaction between hydrochloric acid and limestone. The formula for the reaction is as follows: Calcium + Hydrochloric -----> Calcium + Carbon + Water Carbonate Acid Chloride Dioxide CaCO3 + 2HCl -----> CaCl2 + CO2 + H2O The reaction makes bubbles of carbon dioxide. The amount of carbon dioxide given off will be measured to calculate the rate of reaction. Variables: Concentration of acid Temperature of acid Amount of calcium carbonate Amount of acid Surface area of calcium carbonate Whether a catalyst is used The variable chosen to change is the CONCENTRATION OF ACID. The unit of measurement for acid concentration is Moles (M) and the strongest used at any point is 2M. (This is proportional to 2X the molecular weight in grammes, per litre of water) This experiement will be kept a fair test by keeping the amount and surface area of the calcium carbonate the...
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