A mass of 0.457 g of solid carbon dioxide was vapourised into an evacuated gas syringe at r.t.p.
A small amount of inert gas was introduced into the gas syringe and the volume of the gas syringe was 334.5 cm³. The temperature was kept constant throughout.
How much inert gas was introduced into the gas syringe?
Which of these options is the correct answer?
(A) 1.4 x 10‾² mol
(B) 3.3 x 10‾³ mol
(C) 3.5 x 10‾³ mol
(D) 4.3 x 10‾³ mol