How Many Atoms Are In 15.6 Grams Of Silicon

James Austin

Updated on May 21, 2026

How many atoms are there in 15.6 grams of silicon? 3

Si = 28 grams / mol

15.6 g / 28 g / mol * 6.022 x 10 23 = 3.4 x 10 23 atoms

Find the number first, then multiply it by the number of Eugadro (number of atoms per mole)