Calculate molar mass of S8

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1

Calculate molar mass of S8.

2

a) Sulphur is a poly atomic molecule. It is made up of 8 sulphur atoms.
Atomic mass sulphur atom = 32 g.
Molar mass of sulphur = 8 X 32 = 256 g.

b) (i) 32g of oxygen gas = 1 mole
12g of oxygen gas = ?
= 12 X 1 / 32 = 0.375 mole.
(ii) 32g of oxygen gas = 1 mole