An Investigation into the Factors Affecting the Rate of the Reaction between Calcium Carbonate and Hydrochloric Acid
A chemical reaction is the process by which atoms or groups of atoms are redistributed, resulting in a change in the molecular composition of substances. The reaction rate is how quickly a reaction occurs and this can be affected by four different factors:
กค changing the surface area of any solids involved
กค changing the concentration of reactants in solution
กค changing the temperature at which it is carried out
กค the use of a catalyst
I am going to investigate into exactly how one of these variables affects the reaction rate and I believe the most suitable variable to change is the concentration of the solution as all necessary equipment is available within the school chemistry lab, and five results can be obtained easily and within the time allowance.
I will be using the following reaction in my investigation:
Calcium carbonate + Hydrochloric acid......
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