Potassium chloride · KCl

Potassium chloride: formula KCl, atom count, element breakdown and calculated molar mass.

CompoundKCl

KCl

Molar mass74.548 g/mol

Atoms2

Elements2

Chlorine

1 × 35.45 · 47.55%

35.4500

Potassium

1 × 39.0983 · 52.45%

39.0983

The formula KCl contains 2 atoms in total. Numbers after element symbols show how many atoms of each element are present.

Molar mass is the sum of the contributions shown above. The percentages show how much each element contributes to the total mass.