Four distinct metal bars for copper, iron, zinc, and aluminum—each representing one mole of its element for clear molar mass comparison
Precisely sized bars ensure accurate Avogadro's number demonstrations
Durable construction suitable for repeated classroom or laboratory use
Color-coded bars for easy identification during experiments
Summarized by Shop
Sized so every bar holds exactly one mole of the element, this four-bar set of copper, iron, zinc, and aluminum turns Avogadro's number into a tangible comparison of molar mass.
Number of Bars
4
Elemental Composition
Copper, Iron, Zinc, Aluminum
Bar Length
One mole per bar (exact value dependent on element)