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JEE Main Chemistry question

ChemistrySome Basic Concepts of ChemistryJEE Main

An ore contains 1.34% of the mineral argentite, AgS, by mass. How many grams of this ore would have to be processed in order to obtain 1.00 g of pure solid silver, Ag?

Answer: (B)

Solution

248 g AgS 216 g Ag, so 1 g Ag requires g AgS. Since

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Question ID VK-130658