# Your question: What is the mass of one mole of H2?

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## Is H2 1 mole or 2?

H2 – There are 2 moles of hydrogen atoms (1 mole of elemental hydrogen).

## How do you find one mole of H2?

Thus we must consider the makeup of an H2 molecule, where we see that it is a diatomic molecule. Thus we must multiply 6.022 * 1023 by 2 to calculate the number of individual atoms present in 1 mole of H2. We find our answer to be 1.2044 * 1024.

## Is H2 toxic?

The vapors are lighter than air. It is flammable over a wide range of vapor/air concentrations. Hydrogen is not toxic but is a simple asphyxiate by the displacement of oxygen in the air. Under prolonged exposure to fire or intense heat the containers may rupture violently and rocket.

## How do we find atomic mass?

For any given isotope, the sum of the numbers of protons and neutrons in the nucleus is called the mass number. This is because each proton and each neutron weigh one atomic mass unit (amu). By adding together the number of protons and neutrons and multiplying by 1 amu, you can calculate the mass of the atom.

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## What is the mass of one mole of H2 quizlet?

The formula for molecular hydrogen is H2. Diatomic hydrogen has a molecular mass of 2.0 amu. One mole of hydrogen gas has a mass of 2.0 grams.

## What is the formula for moles to grams?

In order to convert the moles of a substance to grams, you will need to multiply the mole value of the substance by its molar mass.

## How many grams of CO2 are in 2 moles?

The weight of CO2 is 44 grams per mole (1 x 12 grams/mole for the carbon and 2 x 16 grams/mole for the oxygen atoms).

## Which is the heaviest mole?

The giant golden mole (Chrysospalax trevelyani) is a small mammal found in Africa. At 23 centimetres (9.1 in) in length, it is the largest of the golden mole species.

Giant golden mole
Species: C. trevelyani
Binomial name
Chrysospalax trevelyani (Günther, 1875)