Question

7. A flask of methane (CH4) was weighed. Methane was then pushed out and the flask againweighed when filled with oxygen at the same temperature and pressure. The mass of oxygenwould be(A) The same as the methane(B) Half of the methane(C) Double of that of methane(D) Negligible in comparison to that of methane​

Answer 1

Answer:

a same as methane

Explanation:

mass no. of oxygen is 16

and mass of CH4 is also 16 (calculated using the molexular weight formula)