1. What is Molarity?

Molarity (M) is a measure of the concentration of a solute in a solution, defined as the number of moles of solute per liter of solution. It is one of the most commonly used units of concentration in chemistry.

2. How Does the Calculator Work?

The calculator uses the molarity formula:

Where:

• \( M \) — Molarity (mol/L)
• \( moles \) — Amount of substance in moles
• \( Volume \) — Volume of solution in liters

Explanation: This formula calculates the concentration by dividing the number of moles of solute by the volume of the solution in liters.

3. Importance of Molarity Calculation

Details: Molarity is crucial in chemistry for preparing solutions with specific concentrations, conducting chemical reactions, and performing quantitative analysis in various laboratory and industrial applications.

4. Using the Calculator

Tips: Enter the amount of substance in moles and the volume of solution in liters. Both values must be positive numbers greater than zero.

5. Frequently Asked Questions (FAQ)

Q1: What's the difference between molarity and molality?
A: Molarity 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: Divide the mass in grams by the molar mass of the substance (g/mol) to get moles.

Q3: Can molarity be calculated for gases?
A: Yes, molarity can be calculated for gaseous solutions when the gas is dissolved in a liquid solvent.

Q4: Why is molarity important in titration?
A: Molarity allows precise calculation of reactant quantities in titration, enabling accurate determination of unknown concentrations.

Q5: How does dilution affect molarity?
A: Diluting a solution decreases its molarity proportionally to the dilution factor (M₁V₁ = M₂V₂).