Moles to Molecules Calculator 🧪

Moles to Molecules Calculator

Enter the amount of substance in moles (e.g., 2.5)
Enter the molecular weight of the substance (e.g., 18.02 for water)

The moles to molecules calculator allows users to convert between the number of moles of a substance and the number of molecules it contains.

The calculator utilizes Avogadro's number (approximately 6.022 × 10^23) to facilitate this conversion. Avogadro's number signifies the number of particles (atoms, molecules, or formula units) present in one mole of a substance.

We have 2.5 moles of water (H₂O). To determine how many molecules this represents, we use the formula:

Number of molecules = Number of moles × Avogadro's number
= 2.5 × (6.022 × 10^23)
= 1.5055 × 10^24 molecules

Moles to Molecules Conversion Chart

SubstanceMolesMolecules
H₂O16.022 × 10^23
CO₂0.53.011 × 10^23
NaCl21.204 × 10^24
O₂0.251.506 × 10^23
C₆H₁₂O₆ (glucose)0.16.022 × 10^22
NH₃1.59.033 × 10^23
CH₄31.807 × 10^24
H₂SO₄0.754.517 × 10^23

Moles to Molecules Formula

The Moles to Molecules Formula is:

Number of Molecules = Number of Moles × Avogadro's Number

Where Avogadro’s Number is approximately 6.022 × 10^23 molecules/mole.

How many molecules are in 3 moles of nitrogen gas (N₂)?

Number of Molecules = 3 moles × (6.022 × 10^23 molecules/mole)
= 18.066 × 10^23 molecules
= 1.8066 × 10^24 molecules

Solution Analysis:

Molecules in Solution = Molarity(M) × Volume(L) × (6.022 × 10²³)

How to Convert Moles to Molecules?

For converting moles to molecules here’s a step-by-step guide:

Identify the number of moles you’re starting with.

Multiply this number by Avogadro’s number (6.022 × 10^23).

The result is the number of molecules.

Convert 0.75 moles of methane (CH₄) to molecules.

  • We start with 0.75 moles of CH₄.
  • Multiply by Avogadro’s number: 0.75 × (6.022 × 10^23) = 4.5165 × 10^23
  • Therefore, 0.75 moles of CH₄ contains 4.5165 × 10^23 molecules.

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