State and explain the law of mass action. Apply it to the following equilibria: (i) H_(2(g)) + F_(2(g)) hArr 2HF_(g) (ii) NH_(4)HS_(S) hArr NH_(3(g)) + H_(2)S_(g) (iii) PCl_(5(s)) hArr PCl_(3(l)) + Cl_(2(g))
State and explain the law of mass action. Apply it to the following equilibria: (i) H_(2(g)) + F_(2(g)) hArr 2HF_(g) (ii) NH_(4)HS_(S) hArr NH_(3(g)) + H_(2)S_(g) (iii) PCl_(5(s)) hArr PCl_(3(l)) + Cl_(2(g))