Question

Which substance in each of the following pairs of quantities contains more moles of nitrogen? a. 2 moles of $\mathrm{Li}_{3} \mathrm{N}$ or 0.5 mole of $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$. b. 1 mole of $\mathrm{NO}$ or 0.4 mole of $\mathrm{NO}_{2}$. c. 3 moles of $\mathrm{NF}_{3}$ or 1 mole of $\mathrm{N}_{2} \mathrm{O}_{5}$.

          Which substance in each of the following pairs of quantities contains more moles of nitrogen?
a. 2 moles of $\mathrm{Li}_{3} \mathrm{N}$ or 0.5 mole of $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$.
b. 1 mole of $\mathrm{NO}$ or 0.4 mole of $\mathrm{NO}_{2}$.
c. 3 moles of $\mathrm{NF}_{3}$ or 1 mole of $\mathrm{N}_{2} \mathrm{O}_{5}$.

Added by Ryan T.

Chemistry: Structure and Properties

Nivaldo Tro 2nd Edition

Instant Answer

Solved by Expert Jennifer Hudspeth

04/15/2023

Step 1

For 2 moles of $\mathrm{Li}_{3} \mathrm{N}$, there are 2 moles of nitrogen atoms. For 0.5 mole of $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$, there are 2 moles of nitrogen atoms per formula unit, so there are 0.5 * 2 = 1 mole of nitrogen atoms. Show more…

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Which substance in each of the following pairs of quantities contains more moles of nitrogen? a. 2 moles of $\mathrm{Li}_{3} \mathrm{N}$ or 0.5 mole of $\mathrm{Ca}\left(\mathrm{NO}_{3}\right)_{2}$. b. 1 mole of $\mathrm{NO}$ or 0.4 mole of $\mathrm{NO}_{2}$. c. 3 moles of $\mathrm{NF}_{3}$ or 1 mole of $\mathrm{N}_{2} \mathrm{O}_{5}$.