200 grams of an organic sample which contains only carbon, hydrogen and oxygen is analyzed and found to contain 97.30grams of carbon, 16.22grams of hydrogen and the remainder oxygen. what is the empirical formula for the compound?

Which statement accurately describes the relationship between air pressure, air density, or altitude? as altitude increases, pressure increases.as altitude increases, air density increases.air pressure and density are lowest at sea level.denser air exerts more pressure than less dense air.

Why is nh3 classified as a polar molecule

An observation that requires measurement is called quantitative observable or qualitative