Molar mass

Molar Mass of Calcium Hydroxide

The molar mass of calcium hydroxide (Ca(OH)2) is 74.092 g/mol.

Calcium Hydroxide at a glance

PropertyValue
Molar mass74.092 g/mol
Molecular weight74.092 u
Chemical formulaCa(OH)2
Monoisotopic mass73.9680702 u
CAS number1305-62-0
PubChem CID6093208

How to calculate the molar mass of calcium hydroxide

1 × 40.078 + 2 × 15.999 + 2 × 1.008 = 74.092 g/mol

  1. Count the atoms in Ca(OH)2: Ca 1, O 2, H 2.
  2. Multiply each atom count by the atomic weight of the element.
  3. Add the results to get 74.092 g/mol.

Elemental composition of calcium hydroxide

ElementAtomsAtomic weightMass (g/mol)Mass %
Ca Calcium140.07840.07854.092%
O Oxygen215.99931.99843.187%
H Hydrogen21.0082.0162.7209%

Grams and moles of calcium hydroxide

AmountEquals
1 g0.013497 mol
10 g0.13497 mol
100 g1.3497 mol
0.1 mol7.4092 g
1 mol74.092 g
1 g, in particles8.1279 × 10^21