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How increased concentrations of acid affect the rate of reaction between hydrochloric acid and marble.
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GCSE Chemistry Coursework How increased concentrations of acid affect the rate of reaction between hydrochloric acid and marble. Apparatus List: A gas syringe, marble chips, hydrochloric acid, clamp, measuring cylinder, conical flask, scales and a stop clock. Plan: For this experiment I am going to investigate ho different concentrations of hydrochloric acid affect the rate of reaction between itself and marble. The formula for the reaction is: CaCo3 (s) + 2HCl CaCl2 (aq) + Co2 (g) + H20 (l) To perform the experiment I will attach a gas syringe to a clamp. Then I will weigh out 20g of marble chips. I will measure the required amounts of water and acid using a measuring cylinder. I will put the marble chips into a conical flask and the add the hydrochloric acid and water. As soon as I have done this I will put the stopper of the gas syringe on the conical flask and start the clock. Every...
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