Gaseous State NSEJS PYQ L-6

Описание: 0.5755 g of a compound, containing sulfur and fluorine only, has a volume of 255.0 mL at 288.0 K
and 50.01 kPa. What is the molecular formula of this compound ? [IJSO-Stage-I/2013]
(A) S2F2
(B) SF2
(C) SF4
(D) SF6