Molar mass of iodine (I2)

The molar mass of iodine (I2) is 253.8 g/mol.

Step-by-step calculation

ElementAtomsAtomic massSubtotal
Iodine × 2 126.9 = 253.8
Total253.8 g/mol

Percent composition by element

  • Iodine 100%

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

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Related compounds

KI Potassium iodide HI Hydroiodic acid NaI Sodium iodide PbI2 Lead(II) iodide AgI Silver iodide KIO3 Potassium iodate

FAQ

What is the molar mass of I2?

The molar mass of iodine (I2) is 253.8 g/mol.

How do you calculate the molar mass of I2?

Multiply the atomic mass of each element by the number of its atoms in I2, then add the results: 2 × 126.9 (I) = 253.8 g/mol.

What percentage of I2 is Iodine?

Iodine makes up 100% of the mass of iodine (I2).