A mass spectrometer Illustration Play

Acid-base indicators Chart Play

Atomic and molecular mass Class activity Play

Atomic and molecular mass Whiteboard presentation Play

Atomic mass and atomic radii Illustration Play

Avogadro's number Animation Play

Avogadro's number (1) Whiteboard exercise Play

Avogadro's number (1) Student activity Play

Avogadro's number (2) Student activity Play

Avogadro's number (2) Whiteboard exercise Play

Balancing chemical equations and stoichiometry Animation Play

Calculating the mass given the number of moles Whiteboard exercise Play

Calculating the mass given the number of moles Student activity Play

Calculating the mass of products or reactants Slideshow Play

Calculating the number of moles in a given mass Animation Play

Calculating the number of moles in a given mass Whiteboard exercise Play

Calculating the number of moles in a given mass Student activity Play

Calculating the number of moles in a given volume Student activity Play

Calculating the volume Animation Play

Calculating the volume of a gas given the number of moles Animation Play

Calculation of the molarity of a solution Animation Play

Calculations involving molarity (1) Student activity Play

Calculations involving molarity (1) Whiteboard exercise Play

Calculations involving molarity (2) Student activity Play

Calculations involving molarity (2) Whiteboard exercise Play

Changing the concentration of a solution by dilution Animation Play

Colour of gas Slideshow Play

Compare the volume of 1 mole of gas with some familiar objects Illustration Play

Concentration (molarity) Whiteboard exercise Play

Concentration (molarity) Student activity Play