USER_PUNCH-head Spec_CondPUNCH SCSELECTED_OUTPUT -file titration.out.xls -ph true -ionic_strength true -charge_balance true -activities H+ Na+SOLUTION 1 temp 25 pH 7 charge pe 4 redox pe units mol/l density 1 S(6) 0.05 -water 0.1 # kgPHASESThenardite Na2SO4 = 2Na+ + SO4-2 log_k 0.7 delta_h 1.12 kcalThermonatrite Na2CO3:H2O = CO3-2 + H2O + 2Na+ log_k 0.125 delta_h -2.802 kcalEQUILIBRIUM_PHASES 1 CO2(g) -3.5 10 Thenardite 0 0 Thermonatrite 0 0REACTION 1 Thermonatrite 1 Na3PO4 1 0.002 moles in 150 stepsUSER_GRAPH 1-headings Addition "SO4-2" "Na+" "pH"-axis_titles "Added Na2CO3 and Na3PO4 (mol)","molality per Kg" ,"pH"-chart_title "Titration Curve" -axis_scale x_axis 0 auto -axis_scale y_axis 1e-2 auto auto auto -axis_scale sy_axis 1 14 1-start10 pH=-LA("H+")20 GRAPH_X RXN30 GRAPH_Y MOL("SO4-2"), MOL("Na+")40 GRAPH_SY pH-end-active trueEND