AP* Chemistry
What are the compound’s empirical and. molecular formulas? Empirical formula = P2O5. Molecular formula = (P2O5)2 or P4O10. Exercise 3.13 Determining a Molecular Formula. Caffeine, a stimulant found in coffee, tea, and chocolate, contains 49.48% carbon, 5.15% hydrogen, 28.87% nitrogen, and 16.49% oxygen by mass and has a molar mass of. 194.2 g ... ................
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