Free online Molarity to PPM Calculator – Easily convert molarity (M) to parts per million (ppm), Enter the molarity and the molar mass of the solute then click the calculate button
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Molarity to PPM Formula
The formula for converting molarity to ppm
PPM = M × MM × 1000
- PPM = Parts Per Millions
- MM = Molar Mass (g/mol)
- M = Molarity (mol/L)
How to convert Molarity to PPM?
To convert molarity (M) to parts per million (ppm), follow these steps:
- Determine the molar mass (MM) – The molar mass is the sum of the atomic masses of all the atoms in the molecule
- Multiply the molarity by the molar mass then you get mg/L
- Finally, Multiply the mg/L by 1000
Solved Example
Example – A solution of 0.1 M NaCl. The molar mass of NaCl is 58.44 g/mol. To convert the molarity of NaCl to ppm
Solved
Given values – Molarity = 0.1 M, Molar Mass = 58.44 g/mol
Put all values into the formula
PPM = 0.1 × 58.44 × 1000 = 5844 ppm
so, the concentration of NaCl in the solution is 5844 ppm.