Molar Mass of Hf (Hafnium)

Molar Mass Calculator

What is the molar mass of Hf?

Answer

M(Hf) =

178.49 g/mol

Atomic weights: IUPAC standard values (CIAAW, 2024).

HF (hydrogen fluoride) is a different substance: M(HF) = 20.006 g/mol.

Contribution of each element
Element	Atoms, n	Atomic weight, A	n × A, g/mol Mass fraction, w	Mass fraction, w
Hfhafnium	1	178.49	178.49 w = 100.00%	100.00%

Atomic weights: CIAAW, Abridged Standard Atomic Weights (2024)

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Neighbouring elements of the periodic table

Formula	M, g/mol
Tm (thulium)	168.93
Yb (ytterbium)	173.05
Lu (lutetium)	174.97
Hf (hafnium)	178.49
Ta (tantalum)	180.95
W (tungsten)	183.84
Re (rhenium)	186.21

FAQ

What is the molar mass of Hf?

M(Hf) = 178.49 g/mol

How is the molar mass of hafnium different from its atomic weight?

Only in units: the relative atomic mass Ar(Hf) = 178.49 has no unit, and the molar mass M(Hf) = 178.49 g/mol is the mass of one mole of atoms (6.022 × 10²³ of them).

How many grams are in 2 moles of Hf?

m = n × M = 2 mol × 178.49 g/mol = 356.98 g.

See Also