Science, asked by simarsingh0908, 4 months ago

.Calculate the number of molecules of sulphur (S8) present in 128 g of solid sulphur. (Atomic

mass S = 32 u).​

Answers

Answered by Anonymous
10

Answer:

Gram Atomic mass of Sulphur = 32g Molar mass of sulphur (S8) = 8 × 32g = 256g ∴ 256g of sulphur (S8) = 6.023 × 1023 molecules 128gof sulphur (S8) = 6.023 × 1023 × 128/ 256 = 5 × 1022 molecules

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