ppm means________________?

ppm means________________?

A. parts of solute in 1000 parts of solvent
B. parts of solvent in 1000 parts of solute
C. parts of solute in one million parts of solution
D. parts of solvent in one million parts of solute

Hydration is a process in which_________________?

Hydration is a process in which_________________?

A. Molecules are surrounded by solvent molecules
B. Ions are surrounded by solvent molecules
C. Both ions and molecules are surrounded by solvent molecules
D. Both ions and molecules are surrounded by water molecules