如何计算Molarity

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Molarity (M) is the concentration of a solution, defined as the number of moles of solute dissolved per litre of solution. It is the most commonly used unit of concentration in chemistry.

分步指南

1. 1Count moles of solute (mass / molar mass)
2. 2Measure volume of solution in litres
3. 3Molarity M = moles / litres
4. 4To prepare a solution: weigh moles × molar mass of solute, dissolve, transfer to volumetric flask, add solvent to the mark

例题解析