Molar mass calculator computes molar mass, molecular weight and elemental composition of any given compound.

Hydrogen Formula: H 2 Molecular weight: 2.01588 IUPAC Standard InChI: InChI=1S/H2/h1H Copy

How to calculate molar mass of a gas? This molar mass of gas calculator is a tool that uses the ideal gas law formula to work out an unknown gas' molar mass and the number of moles of it present. …

Under standard conditions, hydrogen is a gas of diatomic molecules with the formula H2, called dihydrogen, or sometimes hydrogen gas, molecular hydrogen, or simply hydrogen. Dihydrogen is …

Sep 6, 2025 · Hydrogen gas (H2) Molar mass and Molecular weight The molar mass and molecular weight of Hydrogen gas (H 2) is 2.0159 g/mol.

Read our article on how to calculate molar mass. This molar mass calculator will find the molar mass of a compound and show a step-by-step solution including all calculations to get the answer. You can …

Calculate the molar mass of Hydrogen in grams per mole or search for a chemical formula or substance.

It can be calculated by multiplying the atomic weight of hydrogen (1.00784 atomic mass units) by 2. As hydrogen gas is formed of two hydrogen (H) atoms bound together (H 2) – the molar mass can be …

Jul 11, 2025 · The molar mass of hydrogen is, quite simply, the mass of one mole of hydrogen atoms or molecules. For atomic hydrogen, it’s approximately 1.008 grams per mole (g/mol), while for diatomic …

The molar mass of hydrogen gas (H2) is approximately 2.02 g/mol. This is calculated by adding the molar masses of the two hydrogen atoms in a molecule of hydrogen gas (1.01 g/mol each).