Chemistry

Chemistry Calculators

Solve molarity, dilution, pH, stoichiometry, and lab concentration problems.

Find a tool in Chemistry

21 tools

Mole Calculator

Mole calculator: moles from mass and molar mass (chemistry).

Significant figures calculator: round a number to a given number of significant digits.

Calculate average atomic mass from isotope masses and abundances.

Calculate buffer pH using the Henderson-Hasselbalch equation.

Solve for concentration or volume in C1V1 = C2V2 dilution equations.

Solve dilution problems using C1V1 = C2V2 to find stock or final volumes.

Find the electron configuration for any element by atomic number.

Find the empirical formula from percent composition or mass data.

Calculate the equilibrium constant K from reactant and product concentrations.

Apply Boyle's, Charles', and the Ideal Gas Law to gas properties.

Find the limiting reagent from two reactants and calculate product yield.

Calculate the molar mass of a compound from its chemical formula.

Calculate molarity from moles and volume, with solution prep details.

Convert grams of solute to molarity using molar mass and volume.

Calculate percent solution concentration by weight or volume.

Calculate percent yield from actual and theoretical yield.

Calculate reaction rate from concentration change over time.

Calculate serial dilution concentrations and cumulative dilution factors.

Calculate reactant and product quantities from balanced equation ratios.

Calculate solution concentrations and equivalence points in titration.

Calculate pH, pOH, and hydrogen/hydroxide ion concentration for acids and bases.