Which of the following is INCORRECT?

A. One mole of water, H20 contains 6.02 x 1023 molecules of H2O

B. A molecular formula is the simplest whole number ratio of atoms in a compound.

C. The percentage composition of a compound is the percent by mass of each element in a compou

D. The number of particles in a mole of substance is known as Avogadro's Number.​