Molarity Calculator
Calculate molarity, prepare solutions from mass, and perform dilution calculations with our comprehensive chemistry tool.
What is Molarity Calculator?
Understanding Molarity
Molarity (M) is a measure of concentration that expresses the number of moles of solute dissolved in one liter of solution. It is one of the most commonly used concentration units in chemistry and is essential for quantitative chemical analysis, stoichiometry, and solution preparation.
Key Concepts
Molarity Formula
M = moles of solute ÷ liters of solution
Note: Volume refers to the final solution volume, not the solvent volume
Dilution Principle
C₁V₁ = C₂V₂
The amount of solute remains constant during dilution
Applications
- •Laboratory Analysis: Preparing standard solutions for titrations and quantitative analysis
- •Pharmaceutical: Drug concentration calculations and dosage preparations
- •Biochemistry: Enzyme kinetics, buffer preparations, and biological assays
- •Industrial: Quality control and process optimization in chemical manufacturing
Calculation Methods
From Moles and Volume
Direct calculation when you know the exact number of moles and solution volume
From Mass and Molecular Weight
Convert mass to moles using molecular weight, then calculate molarity
Dilution Calculations
Determine new concentrations or volumes when diluting existing solutions