1.

An aqueous solution containing 0.10 g KCIO_3(formula weight = 214.0) was treated with an excess of KI solution. The solution was acidified with HCl. The liberated I_2consumed 45.0 mL of thiosulphate solution to decolourise the blue starch-iodine complex. Calculate the molarity of the sodium thiosulphate solution.

Answer»

SOLUTION :`KIO_3 + 5KI + 3K_2O + 3I_2`
0.062 M


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