A sample of C₇H₅N₃O₄ contains 0.4662 moles of carbon atoms. How many nitrogen atoms are in the sample? Hint: You can't convert directly between moles of carbon atoms and atoms of nitrogen, use an intermediary unit.

Question

Quizplus · Accepted Answer

The compound C7H5N3O4 has 3 nitrogen atoms per molecule. If there are 0.4662 moles of carbon atoms, there are 0.0666 moles of the compound (since there are 7 carbon atoms per molecule). Therefore, there are 0.0666 moles × 3 nitrogen atoms/molecule = 0.1998 moles of nitrogen atoms. Converting to atoms: 0.1998 moles × 6.022 × 10^23 atoms/mole = 1.203 × 10^23 nitrogen atoms.

A Sample of C7H5N3O4 Contains 0

A Sample of C₇H₅N₃O₄ Contains 0