What is ppm? A. Concentration of a solute in mol/mol solution
B. Concentration of a solute in grams/106 grams solution
C. Concentration of a solute in mol/L solution
D. Concentration of a solute in mol/kg solvent

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