Moles, Particles and Mass
Link number of moles, number of particles and mass with one slider.
⏱ 10 minCore
Start simulationThe Mole Concept
Simulations help you see particles. They do not replace real experiments.
Molar Mass and Percentage by Mass
Work out molar masses from formulae, including water of crystallisation.
⏱ 10 minCore
Start simulationReacting Masses and the Limiting Reactant
Change the masses of two reactants and see which one runs out.
⏱ 15 minCore
Start simulationEmpirical Formula from Experiment
Burn magnesium or reduce copper(II) oxide, weigh, and work out the formula.
⏱ 15 minCore
Start simulationConcentration and Molar Volume
Make a standard solution, dilute it, and compare one mole of different gases.
⏱ 15 minChallenge
Start simulation