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An Experiment To Investigate The Rate Of Reaction Between Marble Chips And Hydrochloric Acid The aim of this experiment is to find out if the concentration of hydrochloric acid affects the amount of carbon dioxide given off by marble chips while reacting with the acid. Apparatus:- Test tube Stopper connected to rubber tube 2 measuring cylinders Basin of water Stopwatch 20 ml solution of acid and water 3g of marble chips Scales The experiment will begin by setting up the above apparatus. 20 millilitres of 2 molar hydrochloric acid will then be measured out using a measuring cylinder and put into a test tube, and 3 grams of calcium carbonate, in the form of 5 marble chips, will be weighed out using some electronic scales. The upturned measuring cylinder in the basin of water will be put in so that all the air inside is replaced by water, and will have to be kept upright in order to read...

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