how is the mass percent of elements in a compound different for a 1.0 g sample versus a 100 g sample versus a 1 mol sample of the compound?

Becquerel expected to find ( he developed the photographic plate that had sun-exposed minerals on top of it. becquerel expected to find ( he developed the photographic plate that had been in the closed drawer.

Liv sheldon given the balanced equation for an organic reaction: c2h2 + 2cl2 → c2h2cl4 this reaction is best classified as *

If 1.8 l of water is added to 2.5l of a 7.0 m koh solution, what is the molarity of the new solution