Enter the mole fraction or the parts per million (PPM) value into the calculator to determine the corresponding value.
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Mole Fraction to PPM Formula
The following formula is used to convert mole fraction to parts per million (PPM).
PPM = X \cdot 10^6
Variables:
- PPM is the parts per million
- X is the mole fraction
To convert mole fraction to PPM, multiply the mole fraction by 1,000,000. Conversely, to convert PPM to mole fraction, divide the PPM value by 1,000,000.
| Mole Fraction (x) | PPM |
|---|---|
| 0.000001 | 1 |
| 0.000002 | 2 |
| 0.000005 | 5 |
| 0.000010 | 10 |
| 0.000020 | 20 |
| 0.000050 | 50 |
| 0.000075 | 75 |
| 0.000100 | 100 |
| 0.000150 | 150 |
| 0.000200 | 200 |
| 0.000250 | 250 |
| 0.000300 | 300 |
| 0.000500 | 500 |
| 0.000750 | 750 |
| 0.001000 | 1,000 |
| 0.002000 | 2,000 |
| 0.005000 | 5,000 |
| 0.010000 | 10,000 |
| 0.050000 | 50,000 |
| 0.100000 | 100,000 |
| * Mole fraction rounded to 6 decimals. Relationship assumes ppm by mole (amount of substance): ppm = x × 1,000,000. | |
What is Mole Fraction?
Mole fraction is a way of expressing the concentration of a component in a mixture. It is defined as the ratio of the number of moles of a particular component to the total number of moles of all components in the mixture. Mole fraction is a dimensionless quantity and is often used in chemistry to describe the composition of mixtures, solutions, and gases.
How to Calculate Mole Fraction to PPM?
The following steps outline how to calculate the conversion from mole fraction to PPM.
- First, determine the mole fraction (X) of the component in the mixture.
- Next, multiply the mole fraction by 1,000,000 to get the PPM value.
- If converting from PPM to mole fraction, divide the PPM value by 1,000,000.
- Finally, use the calculator above to verify your result.
Example Problem :
Use the following variables as an example problem to test your knowledge.
Mole Fraction (X) = 0.0005
PPM = X * 1,000,000 = 0.0005 * 1,000,000 = 500 PPM