For the reaction: N₂​(g)+2O₂​(g)⇌2NO₂​(g),KC​=8.3×10¹⁰ at 25∘C. What is the concentration of N₂​ gas at equilibrium when the concentration of NO₂​ is four times the concentration of O₂​ gas?
a 1.9×10¹⁰M
b 8.3×10¹⁰M
c 5.2×10¹⁰M
d 4.8×10¹⁰M
e 2.1×10¹⁰M​