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Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225g of pure HgS? Molar mass of Hg and S are 200.6 g `mol^(-1)`

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Cinnabar (HgS) is a prominent ore of mercury. How many grams of mercury are present in 225g of pure HgS? Molar mass of Hg and S are 200.6 g `mol^(-1)` and `32g mol^(-1)` respectively.
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Molar mass of cinnabar (HgS)=`(200.6+32)=232.6"g mol"^(-1)`
Mass of mecrcury in 232.6g of HgS=200.6g
Mass of mecury in 225g of HgS=`((200.6g))/((232.6g))xx(225g)=194.04g`
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