Concentration

• How to Convert P₂O₅ Concentration to H₃PO₄ Concentration
  Convert P₂O₅-equivalent concentration to H₃PO₄ using the hydration stoichiometry and molar masses, with examples for mass and molar units.
• How Many Milligrams of Caffeine Are in a 1 mM Solution?
  A 1 mM caffeine solution contains about 194.2 mg per liter, not 194.2 mg total; multiply by the volume in liters to find the mass.
• How to Convert g/L to mol/L
  Convert a mass concentration in g/L to mol/L by dividing by the solute’s molar mass; see the formula, units, and a worked example.