Molarity
| Formula / Notation | M = n (mol) / V (L) |
|---|---|
| Also Known As | Molar concentration, Concentration (C) |
What is Molarity?
A concentration unit defined as the number of moles of solute per liter of solution (mol/L), symbol M. Molarity is the most common concentration unit in chemistry. It changes with temperature because volume changes with temperature. Used in stoichiometry calculations.
Formula & Notation
Other Names / Synonyms: Molar concentration, Concentration (C)
Properties & Characteristics
Uses & Applications
Safety Information
Always consult the SDS/MSDS before handling any chemical. This information is for educational purposes only.
Key Facts
Frequently Asked Questions
A concentration unit defined as the number of moles of solute per liter of solution (mol/L), symbol M. Molarity is the most common concentration unit in chemistry. It changes with temperature because volume changes with temperature. Used in stoichiometry calculations.
Preparing analytical solutions for titrations, reactions, and biological assays. Calculating volumes needed for reactions. Serial dilutions in microbiology and biochemistry. Drug concentration in pharmacology (serum glucose ≈ 5 mM). Buffer preparation. Instrument calibration. Industrial process cont…
Always add concentrated acid to water (never water to acid) when preparing solutions — mixing order prevents violent heat generation. Use volumetric glassware for accurate concentrations. Wear PPE including gloves and goggles when handling concentrated solutions.
The formula or notation for Molarity is: M = n (mol) / V (L)