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2.4 Chemical Formulas
Molecular formulas against empirical ones, what each says about composition, and structural formulas showing which atoms are bonded to which.
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2 exercises
2.4 Exercise 1
Explain why the symbol for an atom of the element oxygen and the formula for a molecule of oxygen differ.
2.5
2.4 Exercise 5
Determine the empirical formulas for the following compounds:
(a) caffeine, C8H10N4O2
(b) sucrose, C12H22O11
(c) hydrogen peroxide, H2O2
(d) glucose, C6H12O6
(e) ascorbic acid (vitamin C), C6H8O6
2.5
Adapted from General Chemistry © 2019 Rice University. Licensed under CC BY 4.0. Sources: Chemistry 2e, Chemistry: Atoms First 2e. Imported at revision 32c7196.