Respuesta :

Total mass of the compound = 1*2 + 32 + 16*4
= 2 + 32 + 64
= 98

Now, mass of sulfur = 32

Percentage composition of sulfur = 32/98 * 100
= 16/49 * 100
= 32.7%

In short, Your Answer would be Option A

Hope this helps!

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