[Unit 2.1] | Ar, Mr, Avogadro's Constant & The Mole

Question 1

What is Relative Atomic Mass (Ar)?

Answer 1

The average mass of an atom of an element relative to 1/12th the mass of Carbon-12.

Question 2

What is the equation used to determine Ar

Answer 2

((Abundance A * Mass A) + (Abundance B * Mass B)) / Total Abundance