Objectives:
To understand that number of atoms therefore mass is conserved during a chemical reaction
To use balanced chemical equations for chemical calculations regarding mole concept
To use law of conservation of mass and stoichiometric calculations to analyse a mixture by purification
Curriculum alignments:
NGSS
HS-PS1-7. Use mathematical representations to support the claim that atoms, and therefore mass are conserved during a chemical reaction.
IB-DP
Structure 1.4—Counting particles by mass: The mole
AP
3.7 Solutions and Mixtures
4.5 Stoichiometry
Cambridge GCSE
Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations
MEB
10.1 Basic laws of chemistry and chemical calculations