Molarity Calculator
Calculate molarity (M) and millimoles from mass, molar mass, and solution volume.
How to Use the Molarity Calculator
- Enter the mass of solute in grams.
- Enter the molar mass of the compound.
- Enter the solution volume in mL and click Calculate.
Casi d'Uso
- •Preparing standard solutions in the lab.
- •Dilution calculations.
- •Stoichiometry problems in chemistry.
Formula
Formula: Molarity (M) = moles / L = mass(g) / (molar mass × volume(L)).
Domande Frequenti
What is molarity?
Molarity is the number of moles of solute dissolved in one liter of solution. It is the most common unit of concentration in chemistry.
Where do I find molar mass?
Calculate molar mass by summing atomic masses from the periodic table. For example, NaCl: Na(23) + Cl(35.5) = 58.5 g/mol.
What is the difference between molarity and molality?
Molarity is moles per liter of solution; molality is moles per kilogram of solvent. Molality is temperature-independent.