Chemistry Calculators

Calculate molar concentration of a solution from moles of solute and volume

Calculate the molar mass of any chemical compound from its formula

Calculate volumes and concentrations for diluting stock solutions using C₁V₁ = C₂V₂

Calculate pH, pOH, hydrogen ion concentration, and hydroxide ion concentration

Solve for pressure, volume, moles, or temperature using PV = nRT

Calculate mole ratios, theoretical yield, and limiting reagents for chemical reactions

Calculate the percentage by mass of each element in a chemical compound

Determine the simplest whole-number ratio formula from elemental percent composition

Calculate boiling point elevation and freezing point depression for solutions

Calculate bond polarity and electronegativity difference between two elements

Balance chemical equations by finding the correct stoichiometric coefficients

Convert between molarity, molality, mass percent, and parts per million

Calculate the rate of a chemical reaction using the rate law and rate constant

Calculate enthalpy change (ΔH) for chemical reactions using bond energies or formation enthalpies

Look up atomic number, mass, electron configuration, and properties of any element