Molar Masses

Question 3 • CR SS Chemistry S2 2018/19 2026

What is Avogadro’s number?

Answer

the number of atoms in exactly 14.00 g of carbon-12

the number of atoms in a kilogram of any substance

the number of atoms, molecules, ions, formula units, or other particles in a mole of a substance

the number of atoms, molecules, ions, formula units, or other particles in a gram of a substance

Dimensional Analysis

Introduction to Stoichiometry

Measures of Concentration: Molarity