Lavoisier's finding laid the foundation for modern chemistry and revolutionized science. The Law of Conservation of Mass holds true because naturally occurring elements are very stable at the ...

4. Show an animation to help explain why mass is conserved in melting, dissolving, and in a chemical change. Show the animation Conservation of Mass in Physical and Chemical Changes. Explain that ...

Relative formula masses can be calculated and used in conservation of mass calculations ... Calculations in chemistry (Higher) - AQA The mole is the unit for amount of substance.