The Moles ↔ Mass Calculator helps convert between moles, mass, and molar mass using the formula:
Mass (g) = Moles (mol) × Molar Mass (g/mol)
This calculation is essential for determining how much of a substance is needed or produced in a reaction.
How to Calculate
1. Find Mass (g)
If you know the moles and molar mass, use:
Mass = Moles × Molar Mass
Example:
Moles = 2.5 mol
Molar Mass = 18 g/mol
Mass = 2.5 × 18 = 45 g
2. Find Moles (mol)
If you know the mass and molar mass, use:
Moles = Mass ÷ Molar Mass
Example:
Mass = 50 g
Molar Mass = 25 g/mol
Moles = 50 ÷ 25 = 2 mol
3. Find Molar Mass (g/mol)
If you know the mass and moles, use:
Molar Mass = Mass ÷ Moles
Example:
Mass = 80 g
Moles = 4 mol
Molar Mass = 80 ÷ 4 = 20 g/mol
Unit Conversions
- 1 g = 1000 mg
- 1 mol = 1000 mmol
- Molar mass is usually given in g/mol
This calculator simplifies stoichiometric calculations, ensuring accuracy in mole-mass conversions.
