# How do we convert from Molecules to moles?

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## What is a mole of a molecule?

A mole is defined as 6.02214076 × 1023 of some chemical unit, be it atoms, molecules, ions, or others. The mole is a convenient unit to use because of the great number of atoms, molecules, or others in any substance.

## How many molecules are in a mole of oxygen?

One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.

## How many molecules are in a mole?

The mole is represented by Avogadro’s number, which is 6.022×1023 atoms or molecules per mol.

## Are moles and molecules the same?

A mole is the measure of a certain number of atoms. … 1 mole of any element or compound contains an Avogadro number of atoms that is 6.022×1023 atoms. On the other hand, a molecule is a substance that contains the same or the different atoms of elements.

## How many molecules are in a gram?

1.4.

The definition of Avogadro’s number of 6.022 × 1023/mole is the number of atoms or molecules per one gram atomic weight.

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## Are moles or molecules bigger?

A molecule, for example of water, contains 2 hydrogen atoms and 1 oxygen atom chemically bounded together and is the smallest building block of the chemical water. … A mole is a certain quantity of molecules, namely the Avagadro number of molecules NA=6.023×1023 .

## What is mole in body?

Moles occur when cells in your skin grow in a cluster instead of being spread throughout the skin. Most moles are made of cells called melanocytes, which make the pigment that gives your skin its natural color.

## How many molecules are in 23.0 moles of oxygen?

Answer: The number of molecules of oxygen in 23 moles of oxygen is 1.385 x 1025 molecules of oxygen….

## What is the mole of oxygen?

The mass of oxygen equal to one mole of oxygen is 15.998 grams and the mass of one mole of hydrogen is 1.008 g.

## How much does an atom of oxygen weigh?

We now know that a hydrogen atom has a mass of 1.6735 x 1024 grams, and that the oxygen atom has a mass of 2.6561 X 1023 grams. As we saw earlier, it is convenient to use a reference unit when dealing with such small numbers: the atomic mass unit.