🧪 Solutions, Acids & Kinetics Calculators
Molarity, pH, buffers, equilibrium, kinetics and electrochemistry. Browse 37 free solutions, acids & kinetics calculators, each with the formula, a worked example and an interactive chart.
Molarity CalculatorFind molarity from moles and volume.Molarity from Mass CalculatorFind molarity from solute mass and molar mass.Mass to Weigh for a Solution CalculatorFind grams needed to prepare a solution of a target molarity.Molality CalculatorFind molality from solute moles and solvent mass.Mole Fraction CalculatorCompute mole fraction in a binary mixture.Normality CalculatorCompute normality from molarity and equivalents.pH CalculatorCompute pH, pOH and ion concentrations from hydrogen ion concentration.pH from Hydroxide Concentration CalculatorFind pH of a base from [OH⁻].Strong Acid or Base pH CalculatorFind pH of a strong acid or strong base solution.Weak Acid pH CalculatorFind the pH of a weak acid from Ka.Weak Base pH CalculatorFind the pH of a weak base from Kb.Buffer pH (Henderson–Hasselbalch) CalculatorFind buffer pH from pKa and concentrations.pKa and Ka ConverterConvert between Ka and pKa.Titration CalculatorFind unknown concentration from a titration volume.Strong Acid–Strong Base Titration pH CalculatorCompute the pH at any point of a strong acid titration with strong base.Solubility Product (Ksp) CalculatorFind molar solubility of a 1:1 salt from Ksp.Common Ion Effect Solubility CalculatorFind the reduced solubility in the presence of a common ion.Osmotic Pressure CalculatorCompute osmotic pressure of a solution.Boiling Point Elevation CalculatorFind how a solute raises the boiling point.Freezing Point Depression CalculatorFind how a solute lowers the freezing point.Raoult's Law CalculatorFind vapor pressure of a solution.Henry's Law Gas Solubility CalculatorFind dissolved gas concentration from pressure.Reaction Rate Law CalculatorCompute reaction rate from rate constant and concentrations.First-Order Reaction CalculatorFind concentration and half-life for a first-order reaction.Second-Order Reaction CalculatorFind concentration and half-life for a second-order reaction.Arrhenius Equation CalculatorFind rate constant at a temperature from activation energy.Activation Energy from Two Rates CalculatorFind activation energy from rate constants at two temperatures.Equilibrium Constant (Kc) CalculatorCalculate Kc from concentrations for aA + bB ⇌ cC + dD.Kp and Kc ConverterConvert between Kp and Kc.Nernst Equation CalculatorFind cell potential under non-standard conditions.Electrolysis (Faraday's Law) CalculatorFind mass deposited during electrolysis.Standard Cell Potential CalculatorFind standard cell EMF from half-cell potentials.Ionic Strength CalculatorCompute ionic strength of a salt solution.Beer–Lambert Law CalculatorFind concentration from absorbance.Absorbance and Transmittance ConverterConvert between percent transmittance and absorbance.Serial Dilution CalculatorCompute concentration after repeated dilutions.Mixing Acid and Base CalculatorFind the resulting pH after mixing strong acid with strong base.
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