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Titration of calcium hypochlorite with sodium thio sulphate

Chemistry
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How can I know the concentration of calcium hypochlorite by titrating with sodium thio sulphate

Apr 15th, 2015

ClO- (aq) + 3 I- (aq) + 2 H+     --------------- (aq) Cl- (aq) + I3 - (aq) + H2O 

 I3 - (aq) + 2 S2O3 2-(aq)           -------------3 I- (aq) + S4O6 2-(aq) 

 so N1V1 = N2V2

 by using this formula 

 we can calculate 

May 2nd, 2015

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Apr 15th, 2015
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Apr 15th, 2015
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