Which of these are correct relationships?
-16 g sulfur = .5 moles of sulfur
-8 moles sulfur = .25 g of sulfur
-3 moles of sulfur = 64 g sulfur
- 96 g of sulfur = 4 moles of sulfur

I will assume here that we know the molar mass of sulfur, which is 32 g/mol (around).

this means that 0.5 moles will have half of it - the first option is correct!
8 moles will have 8 times this, which is 256 - the second option is not correct!
3 moles would have 96  grams -third option is not correct!
and we also know that 96 grams can't be 4 moles - so the forth option is not correct either

X=14 hope it !