Consider the following reaction: hc2h3o2(aq)+h2o(l)⇌h3o+(aq)+c2h3o−2 (aq) kc=1.8×10−5 at 25∘c
1.if a solution initially contains 0.260 m hc2h3o2, what is the equilibrium concentration of h3o+ at 25∘c?
consider the following reaction: so2cl2(g)⇌so2(g)+cl2(g) kc=2.99×10−7 at 227∘c
2.if a reaction mixture initially contains 0.150 m so2cl2, what is the equilibrium concentration of cl2 at 227 ∘c?

Which statement correctly describes the phosphate ion, ? it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms covalently bonded together, and there is a –3 charge on the phosphorus atom. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge distributed over the entire ion. it is composed of one phosphorus atom and four oxygen atoms ionically bonded together, and there is a –3 charge on the phosphorus atom.