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Molarity, dilution, pH, molecular weight, ideal gas, and chemistry calculators.
Moles divided by liters to molarity, or solve for any variable.
C1 V1 equals C2 V2 dilution equation. Solve for any unknown.
H+ concentration to pH, or pH to H+ concentration.
Input chemical formula to calculate molecular weight. Common compounds database.
PV equals nRT. Input any 3 variables to calculate the 4th.
Target concentration and volume to solute mass needed. Stock dilution.
Element mass in compound to percent composition for common compounds.
Element and compound to oxidation state with common rules reference.
Atomic number to electron configuration for the first 36 elements.
Element and mass number to neutrons with isotope reference.
Calculate specific gravity from substance and reference densities.
Calculate API gravity from specific gravity for petroleum products.
Convert Baume degrees to specific gravity for liquids.
Convert specific gravity to Baume degrees.
Convert parts per million to percentage concentration.
Convert percentage concentration to parts per million.
Convert parts per billion to parts per million.
Convert parts per million to parts per billion.
Convert milligrams per liter to parts per million for water quality.
Convert parts per million to milligrams per liter.
Calculate molality from moles of solute and mass of solvent.
Calculate mole fraction of a component in a mixture.
Calculate mass fraction of a component in a mixture.
Calculate volume fraction of a component in a solution.
Calculate moles, mass, and volume relationships in chemical reactions.
Determine the limiting reagent from reactant amounts and stoichiometry.
Calculate theoretical yield from limiting reagent and molar ratios.
Calculate percent yield from actual and theoretical product amounts.
Determine empirical formula from elemental composition percentages.
Calculate molecular formula from empirical formula and molar mass.
Determine molecular formula from combustion analysis data.
Calculate unknown concentration from titration volume and molarity data.
Calculate buffer solution pH and component amounts for target pH.
Calculate pH using the Henderson-Hasselbalch equation for buffers.
Calculate solubility product constant from ion concentrations.
Calculate solubility changes due to the common ion effect.
Calculate standard cell potential from half-reaction potentials.
Calculate non-standard cell potential using the Nernst equation.
Calculate mass deposited or gas produced during electrolysis.
Calculate reaction rate from rate constant and reactant concentrations.
Calculate reaction half-life from rate constant and reaction order.
Calculate activation energy from rate constants at two temperatures.
Calculate rate constant at a given temperature using the Arrhenius equation.
Calculate equilibrium constant from product and reactant concentrations.
Reference list of all chemical elements with symbols and atomic numbers.
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