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Empirical & Molecular Formula

The gram mole...

Question

The gram molecular mass of sulphur in its crown shape is:

A

128

g

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B

64

g

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C

256

g

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D

32

g

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Solution

The correct option is B $256$ g
Sulphur has an atomic weight of $32$ g. A sulphur molecule, in its crown shape, consists of eight sulphur atoms arranged in the form of a crown shaped ring.
Hence, gram molecular mass of $S_{8}$ molecule $=$ 32 x 8 $=$ 256 g.

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