Rates Of Reaction
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In this investigation, I will be studying the factors that affect the rate of reaction. In this case, the reaction between hydrochloric acid and sodium thiosulphate.
Na2S2O3 (aq)+ 2HCl(aq) 2NaCl(aq)+S(s)+SO2(g)
When hydrochloric acid is added to sodium thiosulphate, the chemicals react giving solid sulphur as one of the products. This is a precipitation reaction.
By watching the speed at which the sulphur has formed, we can find out the rate of reaction. A cross can be marked on a piece of paper, and a flask of sodium thiosulphate can be placed on top. By adding hydrochlo…
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