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A sample of soluble salts weighs 1.200 g and contains chloride , bromide, and iodide. With AgNO3, a precipitate is obtained which weighs o.4500 g. On heating this precipitate in Cl2 gas, the AgBr and AgI are converted to AgCl, and the precipitate then weighs 0.3300 g. A similar sample , when treated with PdI2 , and this precipitate weighs 0.0900 g. Find the approximate percentage of chlorine, bromine, and iodine in the original sample ? ​

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