Answer:
[tex]R.M.M \: of \: CS _{2} = (12 + (32 \times 2)) = 76 \: g \\ 76 g \: of \: CS _{2} \: is \: weighed \: by \: 1 \: mole \: of \: CS _{2} \\ 274.25g \: of \: CS _{2} \: will \: be \: weighed \: by \: ( \frac{274.25 \times 1}{76}
) \\ = 3.61 \: moles[/tex]