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Moles To Grams Calculator

Select the chemical from the list or simply enter the molar mass of your choice. The tool will immediately convert the moles to grams and calculate atoms present in it.

Note: Select any chemical from the list or write down your own value of molar mass

Chemical Information

Chemical Names:

Molar Mass:

g/mol ▾

Moles To Grams Converter

To Calculate:

Molecules:

ng ▾

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Moles-to-Grams Calculator

An online moles-to-grams calculator helps you convert moles to grams and determine the number of atoms present. Before using this free tool, read the explanation below.

What Is A Mole?

Mole is the SI unit representing the quantity of a substance.

For example: 1 mole contains exactly 6.02 × 10²³ atoms or molecules.

Moles-to-Grams Formula:

You can convert moles to grams using:

Mass (grams) = Number of Moles × Molar Mass

Shorthand: m = n × M

Example #1:

Convert 34.99 moles of silver (Ag) to grams and molecules.

Solution:

Number of Molecules:

Number of Molecules = 34.99 × 6.02 × 10²³ ≈ 2.106 × 10²⁵

Convert moles to grams:

Molar Mass of Ag = 107.868 g/mol

Mass = 34.99 × 107.868 ≈ 3773.8 g

Example #2:

Convert 10.78 moles of ethane (C₂H₆) to grams.

Molar Mass of ethane = 30.0691 g/mol

Mass = 10.78 × 30.069 ≈ 324.14 g

How the Moles-to-Grams Calculator Works

This free tool converts moles to grams quickly:

Input:

Select the element or compound group
Choose element or compound
Formula mass appears automatically
Select conversion type (moles → grams, mass, or molar mass)
Enter the value
Select the unit
Click Calculate

Output:

Moles-to-grams conversion
Molar mass of the substance
Number of moles
Number of molecules/atoms
Step-by-step calculation

You can also use the free grams-to-moles calculator for the reverse conversion.

FAQ’s

How do you convert moles to molecules?

Multiply the number of moles by Avogadro’s number (6.02 × 10²³).

Example: 5 moles of calcium → 5 × 6.02 × 10²³ ≈ 3.01 × 10²⁴ molecules.

What is the numerical value of a mole?

1 mole contains exactly 6.02 × 10²³ particles (Avogadro’s number).

How many grams are there in 5 moles of copper?

Mass = 5 × 63.546 ≈ 317.73 g

How do you convert grams to molecules?

Calculate moles from mass and molar mass
Multiply moles by Avogadro’s number

Are ions considered as molecules?

Molecules are neutral particles; ions are charged. The number or mass of ions can also be determined using a moles-to-grams calculator.

Conclusion

The mass of a substance is expressed in grams in the CGS system. Using a free moles-to-grams calculator helps convert moles to mass accurately, aiding students and professionals in chemical reactions.

References

Wikipedia: Mole (unit)
Khan Academy: Converting moles and mass
Lumen Learning: Mass-to-Mole Conversions

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