Home
Back
Concentration Formula:
| From: | To: |
Molar concentration (also called molarity) is a measure of the concentration of a chemical species in a solution, expressed as the amount of substance per unit volume of solution. It is commonly used in chemistry to quantify the concentration of solutes in solutions.
The calculator uses the molar concentration formula:
Where:
Explanation: This fundamental formula calculates how concentrated a solution is by dividing the number of moles of solute by the volume of the solution in cubic decimeters.
Details: Accurate concentration calculations are essential for preparing chemical solutions, conducting experiments, pharmaceutical preparations, and industrial processes where precise chemical ratios are critical.
Tips: Enter the amount of substance in moles and the volume in cubic decimeters. Both values must be positive numbers greater than zero for accurate calculation.
Q1: What is the difference between mol/dm³ and mol/L?
A: They are equivalent units since 1 dm³ equals 1 liter. Both represent moles per cubic decimeter/liter of solution.
Q2: How do I convert grams to moles for this calculation?
A: Divide the mass in grams by the molar mass of the substance: n = mass / molar mass.
Q3: What is a typical concentration range for laboratory solutions?
A: Concentrations typically range from 0.001 mol/dm³ (dilute) to 10 mol/dm³ (concentrated), depending on the application.
Q4: Can I use different volume units?
A: Yes, but ensure consistency. Common conversions: 1 dm³ = 1 L = 1000 mL. Convert all volumes to dm³ before calculation.
Q5: Why is molar concentration important in chemistry?
A: It allows precise quantification of reactants in chemical reactions, ensures reproducible experiments, and is essential for stoichiometric calculations.