43. A monatomic ideal gas at pressure `P=105Pa` is in a container of volume `V=12m3` while at temperature `T=50∘C`. How many molecules of gas are in the container?
(A) `1.74×1027`
(B) `2.69×1026`
(C) 2888
(D) 447
(A) `1.74×1027`
(B) `2.69×1026`
(C) 2888
(D) 447