วิธีการคำนวณ 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.

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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

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