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Investigating the affect of concentration on the rate of reaction between magnesium and hydrochloric acid.
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Anna Belcher Chemistry Investigating the affect of concentration on the rate of reaction between magnesium and hydrochloric acid Background Knowledge In this investigation I will be measuring the rate of reaction between magnesium and hydrochloric acid. The rate of a reaction tells us how quickly a chemical reaction happens. Reaction Rate = change in volume, mass or concentration of substance Time taken There are two ways to measure the rate of a reaction, by observing how quickly the reactants are used up or by observing how quickly the products are formed. Measurements of the rate of reaction can be taken in three main ways: * Measuring the rate of precipitation * Measuring the volume of gas * Measuring the change in mass The results gained from these experiments can be drawn on a graph, which enables the rate of reaction to be worked out. In a chemical reaction atoms are rearranged. In order for a reaction to occur the molecules...
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