Home
Back
PPM Formula:
| From: | To: |
Millimole to PPM conversion is a calculation used in chemistry to convert the amount of a substance from millimoles to parts per million concentration. This is particularly useful in solution preparation and analytical chemistry.
The calculator uses the formula:
Where:
Explanation: The formula calculates the concentration of a substance in parts per million by first finding the concentration in mmol/L, then converting to mass concentration using the molar mass.
Details: PPM is a widely used unit of concentration in various fields including environmental science, chemistry, and engineering. It represents one part of a substance per million parts of the total mixture.
Tips: Enter the amount in millimoles, volume in liters, and molar mass in g/mol. All values must be positive numbers. The calculator will provide the concentration in parts per million (ppm).
Q1: What is the difference between ppm and mmol/L?
A: PPM is a mass-based concentration unit (mg/kg or mg/L for dilute aqueous solutions), while mmol/L is a molar concentration unit. They can be converted using the molar mass of the substance.
Q2: When should I use this conversion?
A: This conversion is useful when you need to express molar concentrations as mass concentrations, which is common in environmental monitoring and industrial applications.
Q3: Can this calculator be used for any substance?
A: Yes, as long as you know the molar mass of the substance, this calculator can convert millimoles to ppm for any chemical compound.
Q4: What if my volume is in milliliters instead of liters?
A: You must convert milliliters to liters first (divide by 1000) before using this calculator, as it requires volume in liters.
Q5: How accurate is this conversion?
A: The conversion is mathematically exact. The accuracy of your result depends on the precision of your input values.