The Maths in Additional Chemistry

These Card go through all the maths involved in Unit 2 Chemistry Additional science. Percentage mass Empirical Formula Mole Reacting masses Percentage Yield Atom economy

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  • Created by: Gracia
  • Created on: 19-03-12 18:16

Percentage Mass of an Element

Percentage Mass of an Element in a compound Or % composition

            Formula =       Ar of the element X number of many atom

                                              ---------------------------------------              X 100

                                                     Mr of a compound 

For example 

Find the percentage of H in CH4?

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