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## How do you convert moles of a substance to mass in grams?

**Multiply the molecular weight by the number of moles for the substance**. The molecular weight is the number of grams per mole for the substance and gives the conversion factor for moles to grams for that particular substance. So, one mole of water has a mass of 18.02 grams (1 mol H2O x 18.02 g/mol = 18.02 g).

## How do you convert grams to moles in chemistry?

To correctly estimate the number of moles, n , of a substance of a specific mass, m , (in grams), you need to follow the grams to moles formula: **n = m / M** , where, M is the molar mass of this material.

## How do you convert moles to atoms?

Avogadro’s number is a very important relationship to remember: 1 mole = 6.022×1023 6.022 × 10 23 atoms, molecules, protons, etc. To convert from moles to atoms, **multiply the molar amount by Avogadro’s number**. To convert from atoms to moles, divide the atom amount by Avogadro’s number (or multiply by its reciprocal).

## How did you convert 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 do you convert the mass of a sample to the number of moles and vice versa?

To convert between mass and number of moles, you can **use the molar mass of the substance**. Then, you can use Avogadro’s number to convert the number of moles to number of atoms.

## What is the conversion factor for grams to moles?

Using a calculator, **divide the number of grams by the molar mass**. The result is the number of moles in your element or compound. For example, imagine you have 2 g of (NH_{4})_{2}S and you want to convert it to moles. The molecular mass of (NH_{4})_{2}S is 68.17g/mol.

## How do you find the mass of moles?

If mass is given in kilograms (kg), multiply it by 1,000 to give a mass in grams (g). Substitute in the values and solve the equation to find moles of substances (mol).

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Calculating the Moles of a Pure Substance (n=m/M)

we know the mass with units of | grams (g) |
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we know the molar mass with units of | grams per mole (g mol^{–}^{1}) |

## How did you convert moles to atoms or molecules )?

Avogadro’s number is a very important relationship to remember: 1 mole = 6.022×1023 6.022 × 10 23 atoms, molecules, protons, etc. To convert from moles to atoms, **multiply the molar amount by Avogadro’s number**. To convert from atoms to moles, divide the atom amount by Avogadro’s number (or multiply by its reciprocal).