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Avogadro's number (6.022 × 10²³ mol⁻¹) is the number of particles in one mole of any substance, connecting the macroscopic gram scale with the atomic scale.

Formule

Particles = Moles × 6.022×10²³ | Moles = Mass / Molar mass | Volume (STP) = Moles × 22.4 L

Guide étape par étape

1Particles = Moles × 6.022×10²³
2Moles = Mass / Molar mass
3Molar mass H₂O = 18.015 g/mol
41 mole of any ideal gas at STP = 22.4 litres

Exemples résolus

Entrée

36g of water (H₂O)

Résultat

36/18.015 = 2 moles; 2 × 6.022×10²³ = 1.204×10²⁴ molecules

Questions fréquentes

What is Avogadro Calc?

Avogadro\. Use this calculator for accurate, instant results.

How accurate is the Avogadro Calc calculator?

The calculator uses the standard published formula for avogadro calc. Results are accurate to the precision of the inputs you provide. For financial, medical, or legal decisions, always verify with a qualified professional.

What units does the Avogadro Calc calculator use?

This calculator works with litres. You can enter values in the units shown — the calculator handles all conversions internally.

What formula does the Avogadro Calc calculator use?

The core formula is: Particles = Moles × 6.022×10²³. Each step in the calculation is shown so you can verify the result manually.

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