What is the effect of concentration on the rate of a chemical reaction?
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Aim: What is the effect of concentration on the rate of a chemical reaction? To investigate the reaction between Magnesium (Mg) and Hydrochloric acid (Hcl) and see if by altering the concentration of Hydrochloric acid (Hcl) affects the speed of the reaction. Scientific Knowledge: Mg + 2Hcl MgCl2 + H2 Magnesium Hydrochloric acid Magnesium Hydrogen Chloride gas Reactants Products All substances are made up of particles. In liquids there is a distance between two particles, because in liquids the particles are not so closely packed together. In gases the particles are really far apart, and there is a substantial gap between the particles. However, in solids particles are closely packed together and there is no space or gap between two particles of solids. If, either in gases or liquids we give these particles a little energy then they start to move. In liquids the movement is not too great because the...

