A5.25 g sample of a compound, composed only of manganese and oxygen, was analyzed and determined to contain 2.60 g mn. what is the empirical formula of the compound?

What is a main difference between a mixture and a pure substance? a mixture is only a liquid, but a pure substance can be in any state. a mixture looks the same throughout, but a pure substance does not.1 a mixture can vary in composition, but a pure substance has a set composlo a mixture can be made up of a single compound, but a pure substance car