A quantity of KMnO_(4) was boiled with HCl and the gas evolved was led into a solution of KI. When the reaction was complete, the I_(2) liberated was titrated with titrated with a solution of hypo containing 124 g of Na_(2)S_(2)O_(3). 5H_(2)O per litre. It was found that exactly 60 mL were required to decolourise the solution of I_(2). What weight of KMnO_(4) was used ?

A quantity of KMnO_(4) was boiled with HCl and the gas evolved was led

1.	A quantity of KMnO_(4) was boiled with HCl and the gas evolved was led into a solution of KI. When the reaction was complete, the I_(2) liberated was titrated with titrated with a solution of hypo containing 124 g of Na_(2)S_(2)O_(3). 5H_(2)O per litre. It was found that exactly 60 mL were required to decolourise the solution of I_(2). What weight of KMnO_(4) was used ?
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