Molar Mass of CaCl2 (Calcium Chloride)

Molar Mass Calculator
Chemical formula Write symbols with a capital letter: CoCl2 is cobalt chloride, COCl2 is phosgene. A hydrate takes a dot: CuSO4·5H2O or CuSO4.5H2O

What is the molar mass of CaCl2?

Answer

M(CaCl2) ≈
110.98 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024); the sum is rounded to the decimal places of the least precise one — Cl: 35.45.

Contribution of each element
Element Atoms, n Atomic weight, A n × A, g/mol Mass fraction, w
Cacalcium140.07840.078 w ≈ 36.11%
Clchlorine235.4570.90 w ≈ 63.89%
Σ = 110.978 ≈ 110.98 g/mol w = 100%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

Mass fractions of the elements

See Also

FAQ

What is the molar mass of CaCl2?

M(CaCl₂) ≈ 110.98 g/mol

How to calculate the molar mass of CaCl₂?

Add up the atomic weights of all the atoms in the formula: 40.078 + 2 × 35.45 = 110.978 ≈ 110.98 g/mol.

How many grams are in 2 moles of CaCl₂?

m = n × M = 2 mol × 110.98 g/mol = 221.96 g.