Home
Back
Molar 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 one of the most common units used to quantify the concentration of a solution in chemistry.
The calculator uses the molar concentration formula:
Where:
Explanation: This formula calculates the concentration by dividing the number of moles of solute by the volume of the solution in liters.
Details: Molar concentration is fundamental in chemical calculations, including stoichiometry, solution preparation, and analytical chemistry. It allows chemists to precisely control the amounts of reactants in chemical reactions and is essential for preparing standard solutions.
Tips: Enter the amount of substance in moles and the volume in liters. Both values must be positive numbers. The calculator will compute the molar concentration in mol/L (also written as M).
Q1: What is the difference between molarity and molality?
A: Molarity (c) is moles per liter of solution, while molality is moles per kilogram of solvent. Molarity is temperature-dependent, while molality is not.
Q2: How do I convert grams to moles?
A: Use the formula: moles = mass (g) / molar mass (g/mol). You need to know the molar mass of the substance.
Q3: What are typical molar concentration ranges?
A: Concentrations can range from very dilute (10⁻⁶ M) to concentrated (10+ M), depending on the application and solubility of the substance.
Q4: Why is molar concentration important in titration?
A: Molar concentration allows precise calculation of reactant quantities in titration, enabling accurate determination of unknown concentrations.
Q5: Can I use different volume units?
A: Yes, but you must convert to liters first. Common conversions: 1 L = 1000 mL, 1 L = 1 dm³.