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The Journal of Physical Chemistry, Vol. 90, No. 15, 1986
quinone, 73187-70-9; 2-@-anisidino)-5-@-chloroanilino)-3,6-dichlorobenzoquinone, 73187-77-6;2-(o-anisidino)-5-(p-phenetidino)-3,6-dichlorobenzoquinone, 73187-73-2; 2-@-anisidino)-5-@-phenetidino)-3.6dichlorobenzoquinone, 73187-79-8; 2-(o-anisidino)-5-(p-toluidino)-3,6dichlorobenzoquinone,73187-71-0; 2-(o-anisidino)-5-(o-toluidino)-3,6dichlorobenzoquinone, 73187-75-4; 2-@-anisidino)-5-(o-toluidino)-3,6dichlorobenzoquinone, 102505-30-6;2,5-di-(o-phenetidino)-3,6-dichlorobenzoquinone, 80904-36-5; 2,5-di-(o-toluidino)-3,6-dichlorobenzoquinone, 67620-10-4; 2,5-bis(cu-napthylamino)-3,6-dichlorobenzoquinone, 63883-1 1-4;2,5-bis(3-chloro-o-toluidino)-3,6-dichlorobenzo-
Additions and Corrections quinone, 80904-39-8; 2,5-bis(2-chloro-o-toluidino)-3,6-dichlorobenzoquinone, 80904-38-7; 2,5-bis(4-chloro-o-toluidino)-3,6-dichlorobenzoquinone, 80904-40-1; 2,5-di-(o-anisidino)-3,6-dibrornobenzoquinone, 67620-1 5-9;2,5-di-(o-bromoanilino)-3,6-dibrornobenzoquinone, 8090435-4;2,5-bis(3-bromo-o-toluidino)-3,6-dibromobenzoquinone, 8090441-2;2,5-di(o-chloroanilino)-3,6-dibrornobenzoquinone, 67620-13-7; 2,5-bis(4-chloro-o-toluidino)-3,6-dibromobenzoquinone, 102505-31-7; 2,5-bis(cu-napthylamino)-3,6-dibrornobenzoquinone,67620-14-8; 2,5-di(o-phenetidino)-3,6-dibrornobenzoquinone,80904-37-6;2,5-di(otoluidino)-3,6-dibromobenzoquinone,67620-12-6.
ADDITIONS AND CORRECTIONS 1983. Volume 87 Rabindra N. Roy, James J. Gibbons, J. Christopher Peiper, and Kenneth S. Pitzer*: Thermodynamics of the Unsymmetrical
Mixed Electrolyte HCI-LaC1,. Page 2368. There are errors in certain columns of Table IV. A corrected table is given; nothing else in the paper is affected. TABLE I V Activity Coefficients and Excess Enthalpies for the System H+-La3+-CI--H20 at Ionic Strength Fraction y of LaCI2' yh(HC1) y*(LaCM HCXIRT Z(mo1 kg-') y =0 y = 0.50 y = 1.0 y =0 y = 0.50 y = 1.0 y =0 y = 0.50 0.733 0.741 0.001 0.902 0.897 0.721 0.001 0.010 0.905 0.662 0.865 0.647 0.671 0.002 0.871 0.002 0.020 0.875 0.562 0.571 0.008 0.815 0.543 0.008 0.825 0.050 0.830 0.488 0.495 0.023 0.775 0.469 0.021 0.100 0.795 0.788 0.409 0.424 0.063 0.054 0.756 0.738 0.427 0.200 0.766 0.709 0.370 0.375 0.368 0.173 0.140 0.755 0.736 0.400 0.699 0.360 0.355 0.339 0.314 0.245 0.765 0.735 0.600 0.320 0.479 0.366 0.743 0.696 0.362 0.346 0.800 0.785 0.370 0.342 0.307 0.666 0.756 0.698 0.502 1 .ooo 0.811 0.867 0.738 0.466 0.365 0.280 1.845 1.404 2.000 1.011 0.433 3.295 0.813 0.652 0.281 2.724 1.039 3.000 1.318 0.916 0.967 0.543 0.298 4.866 1.761 1.275 4.555 4.000 0.708 1.048 1.494 0.326 6.428 1.590 7.004 5.000 2.390
y = 1.0
0.001 0.002 0.007 0.019 0.048 0.120 0.205 0.298 0.398 0.988 1.698 2.515 3.439
"The trace activity coefficients of HCl and LaCI3 are given in columns 4 and 5,respectively. The excess enthalpy is given for a quantity of solution containing 1 .O kg of water.
