Grams to Moles Calculator

- April 25, 2025

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Select Compound:

Formula: H₂O

Molar Mass: 18.015 g/mol

Mass (g):

Decimal Places:

Use Scientific Notation:

Conversion Results

Conversion Result

0.0000

mol

Input Value

0.0000

Conversion Factor

1 mol = 18.015 g

Alternative Units

Millimoles

0.0000

mmol

Micromoles

0.0000

μmol

Particles

0.0000

× 10²³

Compound Details

Formula:

H₂O

Molar Mass:

18.015 g/mol

Elements:

H (2), O (1)

Atoms per Molecule:

Elemental Composition

Element	Count	Mass %	Mass (g/mol)
Total	3	100%	18.015

About Mole Conversions

The mole is the SI unit for measuring the amount of a substance.
One mole contains exactly 6.022 × 10²³ elementary entities (Avogadro's number).
The molar mass of a compound is the mass of one mole of the substance in grams.
To convert from grams to moles: moles = mass (g) ÷ molar mass (g/mol).
To convert from moles to grams: mass (g) = moles × molar mass (g/mol).
In chemistry, moles are preferred over mass because they directly represent the number of particles.
The molar mass of a compound can be calculated by adding the atomic masses of all atoms in the formula.

Understanding the Grams to Moles Calculator

The Grams to Moles Calculator is a handy tool for anyone dealing with Chemistry. It helps you easily convert the mass of a substance in grams to the number of moles. This is important because moles tell you how many particles you have. Whether you're a student, teacher, or just curious about chemistry, this calculator can save you time and effort.

Why Use Molar Mass?

To use the Grams to Moles Calculator effectively, you need to know the molar mass of the compound you're working with. Molar mass is the weight of one mole of a substance, usually expressed in grams per mole (g/mol). It varies from compound to compound. Here are some common examples:

Water (H₂O) - 18.015 g/mol
Sodium Chloride (NaCl) - 58.44 g/mol
Glucose (C₆H₁₂O₆) - 180.156 g/mol
Ethanol (C₂H₅OH) - 46.07 g/mol

Steps for Converting Grams to Moles

Using this calculator is simple. First, select the compound you're interested in from the dropdown menu. After that, you will enter the mass in grams. The calculator will then show you the equivalent number of moles. This way, you can quickly see how much of the substance you have in terms of moles, which is more useful in chemical reactions.

Changing the Calculation Type

The Grams to Moles Calculator also gives you the option to switch to moles to grams. This feature is useful if you know how many moles of a compound you have and want to find out how much it weighs in grams. Just select the compound again and enter the number of moles. You’ll get the mass in grams instantly!

Custom Compound Functionality

If you're working with a compound not listed in the presets, don’t worry! The calculator allows you to enter a custom chemical formula. Just type in the formula, and it will calculate the molar mass for you. This feature is great for advanced chemistry students or professionals who often work with unique substances.

Understanding the Results

After performing your calculations, the results are displayed clearly. You’ll see the conversion result, input value, and conversion factor. The calculator also provides alternative units for your results, such as millimoles and micromoles. This helps you understand the amount in different contexts, enhancing your learning experience.

Importance of Precision in Chemistry

Using accurate measurements is vital in chemistry. The Grams to Moles Calculator allows you to adjust settings for decimal places and whether to use scientific notation. This means you can tailor the output to fit your needs, ensuring precision in your calculations. Accurate results can make a significant difference in experiments and studies.

Learn More About Moles

Finally, if you're curious about moles, the calculator offers useful information. You’ll learn that a mole is the SI unit for measuring the amount of a substance, and it equals approximately 6.022 × 10²³ particles. Understanding moles can enhance your grasp of chemistry and its applications in real life, making studies more enjoyable.

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