Question

calculate the number of molecules of sulphur present in 16gm if solid sulphur​

Answer 1

HERE IS UR ANSWER

1 mole of solid sulphur (S8) = 8 × 32g = 256g

i.e 256g of solid sulphur contains = 6.022 × 10^23 molecules

Then, 16g of solid sulpur contains 6.022×1023 /256 × 16 molecules = 3.76 × 10^22 molecules (approx)

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Answer 2

Mass of one mole of sulphur(8)=8×36=256 g

256 g of sulphur contains-- 6.022×10^23 molecules

10 g of sulphur contains--
6.022×10^23 × 16 / 256 =
3.76×10^22 molecules


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