One gram of commercial AgNO3 is dissolved in 50 ml of a KI solution. The silver iodide thus precipitated is filtered off. Excess of KI in the filtrate is titrated with 0.1 M KIO3 solution in presence of 6 M HCl till I- ions are converted into ICl. It requires 50 ml of 0.1M KIO3 solution. Twenty five ml of the same stock solution of KI requires 30 ml of 0.1M KIO3 under similar conditions. The percentage of AgNO3 in the sample is
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