87.4 Activity and activity coefficient Out-class extensive reading ra n. Levine, pp 294-300 Section 10.6 solutions of electrolytes Section 10. 7 determination of electrolyte activity coefficients§7.4 Activity and activity coefficient Out-class extensive reading: Ira N. Levine, pp. 294-300 Section 10.6 solutions of electrolytes Section 10.7 determination of electrolyte activity coefficients