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GCSE Chemistry Coursework- An Investigation in to the Effect of Concentration on the Rate of Reaction Aim Our aim was to find out whether concentration had an affect on the rate of a reaction by reacting different concentrations of hydrochloric acid with magnesium ribbon. Background Information In my experiment I will be investigating the effect of concentration on the rate of reaction between Hydrochloric acid (HCl) and Magnesium ribbon (Mg). Concentration is a very common concept used in chemistry and other walks of life. It is the measure of how many molecules of a given substance there are in a unit volume. In the case of chemical substances it refers to the amount of solute dissolved in a solvent. Concentration is expressed as moles/cubic meter. For a successful reaction to take place between the molecules of different substances they must collide with each other with sufficient force to bring them...

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