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.
使用例
- •Preparing standard solutions in the lab.
- •Dilution calculations.
- •Stoichiometry problems in chemistry.
計算式
Formula: Molarity (M) = moles / L = mass(g) / (molar mass × volume(L)).
よくある質問
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.