Molar mass of boric acid (H3BO3)

The molar mass of boric acid (H3BO3) is 61.831 g/mol.

Step-by-step calculation

Element	Atoms	Atomic mass	Subtotal
Hydrogen	× 3	1.008	= 3.024
Boron	× 1	10.81	= 10.81
Oxygen	× 3	15.999	= 47.997
Total			61.831 g/mol

Percent composition by element

Hydrogen 4.89%
Boron 17.48%
Oxygen 77.63%

Try another formula

H₂O NaCl CO₂ C₆H₁₂O₆ H₂SO₄ Ca(OH)₂ CuSO₄·5H₂O C₈H₁₀N₄O₂

Could not read that formula

Related compounds

Na₂B₄O₇·10H₂O Borax NaOH Sodium hydroxide H₂O Water H₂SO₄ Sulfuric acid NaHCO₃ Sodium bicarbonate KOH Potassium hydroxide

FAQ

What is the molar mass of H3BO3?

The molar mass of boric acid (H3BO3) is 61.831 g/mol.

How do you calculate the molar mass of H3BO3?

Multiply the atomic mass of each element by the number of its atoms in H3BO3, then add the results: 3 × 1.008 (H) + 1 × 10.81 (B) + 3 × 15.999 (O) = 61.831 g/mol.

What percentage of H3BO3 is Oxygen?

Oxygen makes up 77.63% of the mass of boric acid (H3BO3).