Molar mass of potassium chlorate (KClO3)

The molar mass of potassium chlorate (KClO3) is 122.545 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Potassium × 1 39.098 = 39.098
Chlorine × 1 35.45 = 35.45
Oxygen × 3 15.999 = 47.997
Total122.545 g/mol

Percent composition by element

  • Potassium 31.91%
  • Chlorine 28.93%
  • Oxygen 39.17%

Potassium chlorate facts

  • Potassium chlorate is a white crystalline solid and a strong oxidizing agent.
  • It is used in matches and fireworks, and in school labs it is heated with manganese dioxide as a catalyst to produce oxygen gas.
  • When heated, it breaks down into potassium chloride and oxygen, and its mixtures with sugar, sulfur, or other fuels can ignite or explode easily.

Try another formula

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

Could not read that formula

Related compounds

KClO4 Potassium perchlorate KCl Potassium chloride KOH Potassium hydroxide KAl(SO4)2·12H2O Potassium alum K2Cr2O7 Potassium dichromate KMnO4 Potassium permanganate

FAQ

What is the molar mass of KClO3?

The molar mass of potassium chlorate (KClO3) is 122.545 g/mol.

How do you calculate the molar mass of KClO3?

Multiply the atomic mass of each element by the number of its atoms in KClO3, then add the results: 1 × 39.098 (K) + 1 × 35.45 (Cl) + 3 × 15.999 (O) = 122.545 g/mol.

What percentage of KClO3 is Oxygen?

Oxygen makes up 39.17% of the mass of potassium chlorate (KClO3).