TITLE First trial with PHREEQCSOLUTION_MASTER_SPECIES Dca Dca 0 98.96 98.96 Etene Etene 0 28.05 28.05SOLUTION_SPECIESDca=Dca log_k 0Etene=Etene log_k 0SOLUTION 1 temp 25 pH 7 pe 4 redox pe units ppm density 1 Dca 1090 -water 1 # kgRATES Dca-start10 k=0.0000010830 rate=k*M40 moles=rate*TIME50 SAVE moles-endKINETICS 1Dca -formula Cl 2 Etene 1 H2 2 -m 1.1e-05 -m0 1.1e-05 -tol 1e-08-steps 1576800000 in 5 steps # seconds-step_divide 1-runge_kutta 3-bad_step_max 500SELECTED_OUTPUT 1 -file prova2.txt -mol Dca Etene