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Chemical change


After this lesson, you should be able to:

  • Describe the mole as the SI unit for measuring amount of substance
  • Relate amount of substance to relative atomic mass
  • Describe the relationship between Avogadro’s number and mole
  • Define molar mass
  • Calculate the molar mass of a substance given its formula
  • Distinguish between molar mass, relative molecular mass and relative formula mass