Answer to Question #164400 in Chemistry for Phyroe

Question

Percentage methods for expressing the concentration of solution are widely used in chemical industries. Suggest why percentage methods might to preferable, in industrial plants, to other methods for expressing concentration.

Answer 1

Because mass percentage and parts per million or billion are simply different ways of expressing the ratio of the mass of a solute to the mass of the solution, they enable us to express the concentration of a substance even when the molecular mass of the substance is unknown.