Science, asked by saurabh105, 1 year ago

the molecular formula for elemental sulphur is S8 in a sample of 5.12 gram of sulphur find how many molecules of sulphur are present

Answers

Answered by alex47

here given mass = 5.12 g
molecular mass of S8 = 32*8 = 256 g
now no of molecules = given mass / molecular mass * avogadro's number =
5.12/256 * 6.023 * 10^23 = 0.12046 * 10^23

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