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Give brief answers to the following question:
Cinnabar (HgS) is a prominent ore of mercury.
How many grams of mercury are present in 225 g of pure HgS?.
Molar mass of Hg and S are 200.6 g mol-1 and 32 g mol-1 respectively.
How many grams of mercury are present in 225 g of pure HgS?.
Molar mass of Hg and S are 200.6 g mol-1 and 32 g mol-1 respectively.
Molar mass of HgS = 200.6 + = 232.6 g mol-1.
Mass of Hg in g of HgS = 200.6 g.
Mass of Hg in 225 g of HgS = 200.6 / 232.6 x 225 = g.
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