How many hydrogen atoms are in a mole?
Definition of a Mole in Chemistry The mole is a fundamental unit in chemistry that quantifies the amount of substance. It is defined as the number of elementary entities-such as atoms, molecules, ions, or particles-contained in exactly 12 grams of carbon-12. This number, known as Avogadro’s constant, is approximately 6.022 × 1023. The mole bridges […]