Chemistry

pH, molarity, gas laws, and reaction stoichiometry

Chemistry solvers from AI-Math are free online chemistry calculators and homework helpers covering ph, molarity, gas laws, and reaction stoichiometry. Type a problem or upload an image and the AI returns a clear, step-by-step solution — perfect for chemistry homework, exam prep, or self-study from middle school through college. No signup needed; pick a specific topic below to launch its dedicated solver.

Balance Equation Calculator

Free balance equation calculator with full step-by-step solutions. Balance chemical equations by inspection or by solving the algebraic system of atom counts.

Balanced Chemical Equation Calculator

Free balanced chemical equation calculator with step-by-step solutions. Write and balance reactions, check mass conservation, and find empirical formulas.

Charles's Law Calculator

Solve Charles's Law (V1/T1 = V2/T2) step by step. Enter volume and temperature, get the worked solution, worked examples and a plain-English explanation.

Combustion Formula and Analysis

Free combustion formula calculator with step-by-step solutions. Balance any hydrocarbon combustion and work combustion analysis back to an empirical formula.

Combustion Reaction Calculator

Free combustion reaction calculator with step-by-step solutions. Write and balance complete combustion equations for hydrocarbons and alcohols, and check every coefficient.

Acid Dissociation Constant Calculator

Find the dissociation constant of an acid from pH, percent ionisation or pKa, and convert between Ka and Kb, with full step-by-step working.

Enthalpy Calculator

Free enthalpy calculator with step-by-step solutions. Use q = mcΔT, standard formation enthalpies and Hess's law to find the heat of a reaction.

Equilibrium Constant Calculator

Free equilibrium constant calculator with step-by-step solutions. Write Kc, find equilibrium concentrations with an ICE table, and convert between Kc and Kp.

Ideal Gas Law Calculator

Free ideal gas law and combined gas law calculator. Solve PV = nRT for pressure, volume, moles or temperature with full step-by-step working from AI-Math.

Ka and pKa Calculator

Convert Ka to pKa, find pH from Ka, and solve buffer problems with the Henderson-Hasselbalch equation. Full step-by-step chemistry solutions from AI-Math.

Molality Formula Calculator

Free molality calculator with step-by-step solutions. Apply b = moles of solute / kilograms of solvent, work from masses, and convert molarity to molality using density.

Molar Mass Calculator

Free molar mass calculator with full step-by-step solutions. Add up a formula mass, convert grams to moles, and turn a mass into a molar concentration.

Molarity Solver

Free molarity solver with full step-by-step solutions. Find molarity from grams or moles, get moles of solute from volume, and work dilution problems.

Mole Fraction Formula

Free mole fraction calculator with full step-by-step solutions. Find mole fraction from moles or masses, convert back to moles, and use it for partial pressures.

Nernst Equation Calculator

Solve the Nernst equation for cell or membrane potential. Enter E0, n, temperature and concentrations for a step-by-step result from AI-Math.

pH Calculator

Free pH calculator with step-by-step solutions. Find pH and pOH from molarity or [H3O+], convert a pH back to concentration, and handle strong and weak acids.

Stoichiometry Calculator

Free stoichiometry calculator with full step-by-step solutions. Convert grams, moles and molarity, apply mole ratios, and find the limiting reactant.