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How many grams of chromium are there in the 85 gram of chromium sulphide?
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How many grams of chromium are there in the 85 gram of chromium sulphi...
Molar mass of Cr22S33= (2 x 52) + (3 x 32) g/mol

= 104 + 96 g/mol

= 200 g/mol

∴ 200 g of Cr22S33 contains 2 mol of Cr

= 200 g of Cr22S33 contains 104 g of Cr

=> 85 g of Cr22S33 conatins 104200104200 x 85 g of Cr, or 44.2 g of Cr

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How many grams of chromium are there in the 85 gram of chromium sulphide?
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