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An investigation to see the effect of varying the concentration of hydrochloric acid on the rate of reaction of hydrochloric acid and calcium carbonate (marble chips)
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An investigation to see the effect of varying the concentration of hydrochloric acid on the rate of reaction of hydrochloric acid and calcium carbonate (marble chips) Aim: The aim of this investigation is to investigate the effect that varying the concentration of hydrochloric acid will have on the rate of the reaction Calcium Carbonate + Hydrochloric acid --> water + carbon-dioxide + calcium chloride CaCO + HCl --> H O + CO + CaCl To calculate the rate of reaction, the measurements of the volumes of carbon dioxide produced will be used. Apparatus list: * 100ml Measuring cylinder with millilitre markings, accurate ± 0.1ml * Conical flask * Medium sized marble chips * 20ml Hydrochloric acid * Gas syringe with millilitre markings * Digital stop Clock accurate to the nearest millisecond * Clamp * Weighing scales accurate to 2 decimal places Method: 1. Firstly set up the apparatus as shown in the diagram above. The measuring cylinder will be used to make the dilutions...
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