Chapter 2: Problem 49
State and explain the law of mass action. Apply it to the following equilibria: (i) \(\mathrm{H}_{2(\mathrm{~g})}+\mathrm{F}_{2(\mathrm{~g})} \rightleftarrows 2 \mathrm{HF}_{(\mathrm{g})}\) (ii) \(\mathrm{NH}_{4} \mathrm{HS}_{(\mathrm{S})} \rightleftarrows \mathrm{NH}_{3(\mathrm{~g})}+\mathrm{H}_{2} \mathrm{~S}_{(\mathrm{g})}\) (iii) \(\mathrm{PCl}_{5(s)} \rightleftarrows \mathrm{PCl}_{3(t)}+\mathrm{Cl}_{2(\mathrm{~g})}\)