Chapter 8: Problem 59
For the first order reaction, \(2 \mathrm{~N}_{2} \mathrm{O}(\mathrm{g}) \rightarrow 2 \mathrm{~N}_{2}(\mathrm{~g})+\mathrm{O}_{2}(\mathrm{~g})\), what is the concentra- tion of \(\mathrm{N}_{2} \mathrm{O}\) after 3 half-lives if \(0.15 \mathrm{~mol}\) of \(\mathrm{N}_{2} \mathrm{O}\) is initially placed into in a \(1.00\) litre reaction vessel? a. \(9.1 \times 10^{-2} \mathrm{M}\) b. \(0.9 \times 10^{-2} \mathrm{M}\) c. \(2.68 \times 10^{-2} \mathrm{M}\) d. \(1.9 \times 10^{-2} \mathrm{M}\)
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