?At \(218^{\circ} \mathrm{C}, K_{c}=1.2 \times 10^{-4}\) for the

Chapter 15, Problem 15.54

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At \(218^{\circ} \mathrm{C}, K_{c}=1.2 \times 10^{-4}\) for the equilibrium

\(\mathrm{NH}_{4} \mathrm{SH}(s) \rightleftharpoons \mathrm{NH}_{3}(g)+\mathrm{H}_{2} \mathrm{~S}(g)\)

Calculate the equilibrium concentrations of \(\mathrm{NH}_{3}\) and \(\mathrm{H}_{2} \mathrm{~S}\) if a sample of solid \(\mathrm{NH}_{4} \mathrm{SH}\) is placed in a closed vessel at \(218^{\circ} \mathrm{C}\) and decomposes until equilibrium is reached.

Text Transcription:

218^circ C, K_c=1.2 \times 10^-4

NH_4 SH(s) \rightleftharpoons NH_3(g)+H_2 S(g)

NH_3

H_2 S

NH_4 SH

218^circ C

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