To write the empirical, molecular, and structural formula for Caffeine wee need to know how many C, N, O, and H atoms are in the molecule.
The Empirical Formula for Caffeine is the formula showing the lowest whole number ratios of each element.
The Molecular Formula shows the exact number of each type of atom.
The Structural Formula for Caffeine show how the atoms are connected to make up the molecule.
All there are useful to chemists in understanding and communicating information about Caffeine.
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