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How does the concentration affect the rate of a reaction?

April 26, 2017affect concentration rate REACTION

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How does the concentration affect the rate of a reaction?

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Aim: To investigate the effect of concentration on the rate of a chemical reaction between sodium thiosulphate solution and hydrochloric acid. Reaction: I will investigate the reaction between different concentrations of sodium thiosulphate solution with hydrochloric acid. Na2S2O3(aq) + HCL(aq) = S(s) = H2O(l) + SO2(g) + NaCl(s) (sodium thiosulphate + hydrochloric acid = sulphur + water + sulphur dioxide + sodium chloride) Background Information There are three ways of measuring the rate of reaction: 1. By observing the time taken for a precipitate to obscure a mark on a piec …