Question

The percentage of available chlorine in a sample of bleaching powder, CaOCl·2H2O is

Answer 1

CaOCl  

2

​  

. 2H  

2

​  

O →Cl  

2

​  

 

1 mole of CaOCl  

2

​  

. 2H  

2

​  

O gives 1 mole Cl  

2

​  

 

163 g of  sample gives 71g of available Chlorine  

Therefore, % available  chlorine =  

163

71

​  

× 100= 43.5%

Answer 2

Answer:

55% of chlorine

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