¿Qué tiene más masa, 5 mol de etanol, C2H6O, o 2,5 mol de dioxígeno, O2? ¿En cuál de los dos hay mayor número de átomos de oxígeno?

i don't see a text, but i am gonna assume this *orbit* the curved path, usually elliptical, described by a planet, satellite, spaceship, etc., around a celestial body, as the sun.

i think that the answer is c

there are two significant figures.