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Question
How many grams are there in the following?
5 moles of sulphur molecule, S8
Solution
Formula = No. of moles (n) × (Gram molecular mass)
5 moles of sulphur molecule, S8
Mass of 1 mole of sulphur molecule = 32 g
Mass of 5 moles of sulphur molecules = 32 × 5 = 160 g.
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