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Cinnabar (HgS) is a prominent ore of mer...

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.

A

200g

B

400 g

C

160 g

D

None of these

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