3.1.2.4 Empirical and molecular formula.

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Created by
Shan Paps

Cards (3)

  • What is the molecular formula of an element?
    It is the actual number of atoms each element in a compound.
  • How can the molecular formula be determined?
    It can be determined from the empirical formula but only if the relative molecular mass (Mr) is known.
  • What is the empirical formula?
    The simplest WHOLE number ratio of each element in a compound.
    -->The molecular formula is a simple multiple of the empirical formula.