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Assess the effect of concentration of sodium thiosulphate in the acid/sodium thiosulphate reaction
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Chemistry Coursework Plan In this project, I am trying to assess the effect of concentration of sodium thiosulphate in the acid/sodium thiosulphate reaction as follows: - Sodium thiosulphate + hydrochloric acid ==>Sodium Chloride + Sulphur + Sulphur dioxide + water Or Na2S2O3+2HCl ==>2NaCl + S + SO2 + H20 Some of these chemicals are hazardous unless handled correctly - here is a safety table of the substances I am using:- Chemical Hazard Procedure Sodium Thiosulphate - Na2S2O3 * Harmful if ingested in quantity * In reactions with acid - Sulphure dioxide is produced. * Ventilate room Hydrochloric Acid - Hcl * Corrosive * Irritant * May cause burns * Vapour is very irritating to the respiratory system * Wear protective clothing * Ventilate room Sulphur Dioxide - SO2 * Irritant to respiratory system * Noctious gas * Ventilate room Sodium Chloride - NaCl * Irritant * Harmful if ingested in quantity * If contact with skin occurs, wash thorugly. Sulphur - S NO HAZARD N/A Water - H20 NO HAZARD N/A To do this I am attempting to measure the speed (time period) in which...
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