How many number of moles of CO will be left when 2x1021
molecules are removed from 0.28 gof CO?

Smog is the term used to describe the combination of fog and smoke

Ionic compounds are made of ions, and yet the overall charge of an ionic compound is neutral. why?

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line