Molar mass of potassium iodide (KI)

The molar mass of potassium iodide (KI) is 165.998 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Potassium × 1 39.098 = 39.098
Iodine × 1 126.9 = 126.9
Total165.998 g/mol

Percent composition by element

  • Potassium 23.55%
  • Iodine 76.45%

Try another formula

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

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Related compounds

KIO3 Potassium iodate KCl Potassium chloride KOH Potassium hydroxide KClO3 Potassium chlorate KAl(SO4)2·12H2O Potassium alum I2 Iodine

FAQ

What is the molar mass of KI?

The molar mass of potassium iodide (KI) is 165.998 g/mol.

How do you calculate the molar mass of KI?

Multiply the atomic mass of each element by the number of its atoms in KI, then add the results: 1 × 39.098 (K) + 1 × 126.9 (I) = 165.998 g/mol.

What percentage of KI is Iodine?

Iodine makes up 76.45% of the mass of potassium iodide (KI).