Now, what is the equation that you can use
to find the number of moles of a substance?

Drag the smaller boxes below to the bigger box to form the equation.

Mass of Component
Number of Moles
RMM


=



The basic equation for calculating percentages is:

Percentage =      Amount of Specific Item      x 100%
Total Amount Of All Items


You need to be able to calculate all three parts of this equation given two of the others ie you need to be able to calculate:

  1. percentage
  2. the amount of a specific item
  3. the total amount of all items

You can do all the calculations using arrangements of this one equation.