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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.
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.