Quick Answer: What is the mass of a mole of water in Amu?

How do you find the mass of 1 mole of water?

Mass of one mole of water = 2 g/mol + 16 g/mol = 18 g/mol.

How much mass does a mole of water have?

Another property of Avogadro’s number is that the mass of one mole of a substance is equal to that substance’s molecular weight. For example, the mean molecular weight of water is 18.015 atomic mass units (amu), so one mole of water weight 18.015 grams. This property simplifies many chemical computations.

Why is the mass of one mole of water?

Mass of 1 Mole of Water

Water (H2O) is made from 2 atoms of hydrogen and 1 atom of oxygen. A mole of water molecules would be 2 moles of hydrogen atoms plus 1 mole of oxygen atoms. From the periodic table we see the atomic weight of hydrogen is 1.0079 and the atomic weight of oxygen is 15.9994.

What is the mass in gram of 2 mole of water?

One mole of H2O is made up of 2 moles of Hydrogen atoms and 1 mole of Oxygen atom. Mass of two moles of Hydrogen atoms = 2x 1 g/mol = 2 g/mol.

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What is the mass of one mole?

The molar mass of some substance is the mass in grams of one mole of that substance. This mass is given by the atomic weight of the chemical unit that makes up that substance in atomic mass units (amu). For example, gold has an atomic weight of 196.967 amu, so one mole of gold has a mass of 196.967 grams.

What is the mass of 1 mole of oxygen?

Solution — Mass of one mole of oxygen molecule (O2) = molecular mass of oxygen molecule (O2) in gram = 32 g.

Could you swim in a mole of water?

If you had a mole of water molecules, could you go swimming? The answer is no, it’s not enough water. 1 mole of water molecules is 18.02 grams of water. That’s about 18 mL of water since the density of water is roughly 1 g/mL.

What is the mass of a 3 mole of water?

similarly 1 mole of water is equivalent to molecular mass of water x 3 that is 18×3=54 gram. It would constitute 3N molecules of water.

What is the relationship between mole Avogadro number and mass?

Avogadro’s number is a proportion that relates molar mass on an atomic scale to physical mass on a human scale. Avogadro’s number is defined as the number of elementary particles (molecules, atoms, compounds, etc.) per mole of a substance. It is equal to 6.022×1023 mol-1 and is expressed as the symbol NA.

What mass of water is produced?

Since 12 moles of oxygen gas are used, then 12⋅2=24 mol of water is produced. Water has a molar mass of 18 g/mol . So, 24mol ⋅18 g/mol =432 g of H2O was produced.

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