Rate of reaction between Hydrochloric acid and magnesium.
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Rate of reaction between Hydrochloric acid and magnesium Key variables * Concentration of acid - This could affect the rate of reaction because the higher the concentration of the acid then the more acid particles so there will be more collisions per second. * Temperature of acid - when something gets hot, its molecules move about faster so therefore the reaction will take place quicker. * Surface area - the bigger the surface area, the faster the reaction will happen because there is a larger are exposed therefore more atoms will be as well. * Catalyst - a catalyst will speed up the reaction so if we put a catalyst in there then the reaction will occur quicker We will only change the concentration in this experiment because it the easiest one to do. We will not use a catalyst; we will keep the temperature constant and keep the surface area the same. Aim I plan to...

