Solutions

These tools cover the concentration and properties of solutions. You can work through dilutions with C1V1 = C2V2, calculate pH, pOH, [H+] and [OH-] and see whether a solution is acidic or basic, and find vapor pressure lowering, boiling point elevation, and freezing point depression from Raoult’s law.

pH Calculator (Free – Acid/Base Test)

Free online tool: enter the hydrogen ion concentration [H+] or a pH value to calculate pH, pOH, [H+], [OH-], and determine whether a solution is acidic, neutral, or basic.

Molarity & Dilution Calculator (C1V1=C2V2)

Use the dilution formula C1V1 = C2V2 to calculate any one of the four values (concentration or volume, before and after dilution) from the other three.

Raoult's Law Calculator (Boiling Point Elevation & Freezing Point Depression)

Calculate boiling point elevation and freezing point depression from a solute's molality and van't Hoff factor using Raoult's law. Supports six solvent constants (Kb/Kf) including water and benzene, and accounts for elec...