Ions in aqueous systems; an introduction to chemical equilibrium and solution chemistry Therald Moeller [and] Rod O'Connor. Moeller, Therald. O'Connor, Rod, 1934- joint author. Chemistry, Analytic Qualitative. Ionic solutions. Chemical equilibrium. QD83 .M8 540 MOI Includes bibliographies. New York, McGraw-Hill 1971, c1972 1971, c1972 1971 Text x, 367 p. eng