Chemistry
Molar mass, molarity, dilution, pH, gas laws
Moles to Grams Calculator
Convert moles of a substance to its mass using the molar mass.
Molarity Calculator
The molar concentration of a solution: moles of solute per litre.
Dilution Calculator (C₁V₁ = C₂V₂)
How much stock solution to take to reach a target concentration and volume.
Ideal Gas Law Calculator (PV = nRT)
The number of moles of a gas from its pressure, volume and temperature.
pH Calculator
The pH and pOH from the hydrogen ion concentration.
Percent Yield Calculator
The percent yield of a reaction: actual ÷ theoretical × 100.
Mass Percent Calculator
The mass percent concentration: mass of solute ÷ mass of solution × 100.
Half-Life Calculator
How much of a substance remains after a given time of decay.
Moles to Particles Calculator
The number of particles in a given amount of substance (Avogadro number).
Molality Calculator
The molal concentration: moles of solute per kilogram of solvent.