Molarity (M = moles of solute / volume of solution in litres)

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M = moles of solute / volume of solution in litres

What each symbol means

SymbolWhat it stands for
MMolarity (mol L⁻¹)
n_soluteAmount of solute (mol)
V_solutionVolume of the solution (L), not solvent volume

When to use this

Temperature-dependent because solution volume expands/contracts. Distinct from molality.