Question

What is the no. Of molecules of sulfur in 32 gm of solid sulfur?

Answer 1

Hi Dear

1. To calculate number of molecules first calculate number of moles.
2. Here moles =32/32×8 = 1/8

because in solid state sulfur exists as S8.

3. Now 1 mol sulfur has 6.022×10^23 molecules

So 1/8 mol has 6.022×10^23/8 molecules

7.5 ×10^22 molecules.

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