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Investigating the change of rate of reaction with change in concentration.
Member rating: No Rating | Words: | Submitted: Mon Feb 23 2004
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Investigating the change of rate of reaction with change in concentration Aim: To examine the effect the concentration of the reactants has on the rate at which they react (i.e. the rate of reaction). Reactants and Products which will be investigated: Sodium + Hydrochloric Sodium + Sulphur + Sulphur + Water Thiosulphate Acid Chloride Dioxide Na S O + 2HCL 2NaCl + S + SO + H O This reaction between sodium thiosulphate and hydrochloric acid (both colourless) yields a yellow precipitate of sulphur along with other by-products (e.g. water). Therefore using this knowledge we are able to investigate the effect various dilutions of the reactants (either sodium thiosulphate or hydrochloric acid) have on the rate at which they react. During this investigation the concentration of sodium thiosulphate will be diluted while the concentration of other reactants will remain constant. The rate of at which the two reactants react will be indicated by the time...
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