******************************************************************************** COLORIMETRIA : Determinacio de la constant d-equilibri de [FeSCN]+2 Grup : 4 Torn : B Any : 2003 ******************************************************************************** Versio 26.0 -------------------------------------------------------------------------------- DISSOLUCIONS -------------------------------------------------------------------------------- Diss. X: A: KSCN 0.002 M B: Fe(NO3)3 0.002 M C: Fe(NO3)3 0.200 M x0t = concentracio teorica inicial de la diss. X (mol/l) vx0 = volum aforat per a la diss. X (l) pmx = pes molecular del solut de la diss. X (grams/mol) purex = puresa del solut de la diss.X (tant per 1) wxt = pes teoric de solut per preparar la diss. X (grams) wxr = pes real de solut per preparar la diss. X (grams) x0r = concentracio real inicial de la diss. X (mol/l) dx0r = error en x0r (mol/l) Diss x0t vx0 pmx purx wxt wxr x0r dx0r A 0.0020 0.2500 97.180 0.99 0.0486 0.0493 0.00201 0.0000042 B 0.0020 0.2500 404.000 0.98 0.2020 0.2099 0.00204 0.0000013 C 0.2000 0.1000 404.000 0.98 8.0800 8.2466 0.20004 0.0001601 Diss. A: 0.002009 +- .000004 Diss. B: 0.0020367 +- .0000013 Diss. C: 0.20004 +- .00016 -------------------------------------------------------------------------------- VALORACIO HNO3 -------------------------------------------------------------------------------- * Estandaritzacio NaOH i wbft(g) VNaOH(ml) [NaOH] M d[NaOH] M 1 0.3788 18.800000 0.098170 0.000001532 2 0.3892 19.300000 0.098252 0.000001493 3 0.4146 20.100000 0.100498 0.000001466 Mitjana 0.098973 0.000000865 Diss. NaOH: 0.0989732 +- .0000009 * FACTOR DESVIACIO STANDARD : 2.0 Desv-st 0.0990 +- .0015 * Valoracio HNO3 amb NaOH i VHNO3(ml) VNaOH(ml) [HNO3] M d[HNO3] M 1 2.00 9.900000 0.489917 0.003313051 2 2.00 9.900000 0.489917 0.003313051 3 2.00 10.000000 0.494866 0.003319664 Mitjana 0.491567 0.001914064 Diss. HNO3: 0.4916 +- .0019 * FACTOR DESVIACIO STANDARD : 2.0 Desv-st 0.492 +- .003 -------------------------------------------------------------------------------- MOSTRES -------------------------------------------------------------------------------- * Mostra i : diss. A + diss. B + dissolvent * vxm : volum de x en la mostra i (l) * dvxm : error en vxm (l) * xim : concentracio inicial de x en la mostra i (mol/l) * dxim : error en xim (mol/l) on x = a, dissolucio A b, dissolucio B d, dissolvent t, total Volum A: i vam +- dvam 1 0.002000 +- .000006 2 0.003000 +- .000008 3 0.004000 +- .000012 4 0.005000 +- .000010 5 0.006000 +- .000012 Volum B: i vbm +- dvbm 1 0.002000 +- .000006 2 0.002000 +- .000006 3 0.002000 +- .000006 4 0.002000 +- .000006 5 0.002000 +- .000006 Volum Dissolvent: i vdm +- dvdm 1 0.004000 +- .000012 2 0.003000 +- .000008 3 0.002000 +- .000006 4 0.001000 +- .000006 5 --- Volum Total: i vtm +- dvtm 1 0.008000 +- .000015 2 0.008000 +- .000013 3 0.008000 +- .000015 4 0.008000 +- .000013 5 0.008000 +- .000013 Diss. A inicial: i aim +- daim 1 0.0005022 +- .0000021 2 0.000753 +- .000003 3 0.001004 +- .000004 4 0.001256 +- .000004 5 0.001507 +- .000005 Diss. B inicial: i bim +- dbim 1 0.0005092 +- .0000018 2 0.0005092 +- .0000018 3 0.0005092 +- .0000018 4 0.0005092 +- .0000018 5 0.0005092 +- .0000018 ################################################################################ ITERACIO Num: 0 ################################################################################ -------------------------------------------------------------------------------- DISSOLUCIONS PATRO -------------------------------------------------------------------------------- * Patro i : diss. A + diss. C + dissolvent * vxp : volum de x en el patro i (l) * xip : concentracio inicial de x en el patro i (mol/l) * comp : concentracio de complexe en el patro i (mol/l) on x = a, dissolucio A c, dissolucio C d, dissolvent t, total i vap vcp vdp vtp 1 0.001 0.005 0.002 0.008 2 0.001 0.005 0.006 0.012 3 0.001 0.005 0.010 0.016 4 0.001 0.005 0.014 0.020 5 0.001 0.005 0.018 0.024 6 0.001 0.005 0.022 0.028 7 0.001 0.005 0.026 0.032 8 0.001 0.005 0.034 0.040 9 0.001 0.005 0.044 0.050 10 0.001 0.005 0.054 0.060 i aip cip comp 1 0.251E-03 0.125E+00 0.251E-03 2 0.167E-03 0.834E-01 0.167E-03 3 0.126E-03 0.625E-01 0.126E-03 4 0.100E-03 0.500E-01 0.100E-03 5 0.837E-04 0.417E-01 0.837E-04 6 0.717E-04 0.357E-01 0.717E-04 7 0.628E-04 0.313E-01 0.628E-04 8 0.502E-04 0.250E-01 0.502E-04 9 0.402E-04 0.200E-01 0.402E-04 10 0.335E-04 0.167E-01 0.335E-04 -------------------------------------------------------------------------------- RECTA PATRO -------------------------------------------------------------------------------- * i : Nombre de patro * comp : concentracio de complexe en el patro i (mol/l) * absp : absorvancia mesurada per al patro i * abspcal : absorvancia calculada a partir de l-ajust per al patro i i comp absp abspcal 1 0.25112E-03 1.72200 1.66195 2 0.16741E-03 1.14800 1.03039 3 0.12556E-03 0.52700 0.71461 4 0.10045E-03 0.39400 0.52514 5 0.83705E-04 0.33500 0.39883 6 0.71748E-04 0.27700 0.30861 7 0.62779E-04 0.25400 0.24094 8 0.50223E-04 0.18900 0.14621 9 0.40179E-04 0.15300 0.07042 10 0.33482E-04 0.11800 0.01990 ajust a una recta : abs = -0.23273 + 7545.02709 comp R = 0.98056 R2 = 0.96149 desviacio stand. de l-abs: 0.10802 desviacio stand. de l-ordenada en l-origen: 0.06278 desviacio stand. del pendent: 533.84369 -------------------------------------------------------------------------------- ABSORVANCIES MOSTRES -------------------------------------------------------------------------------- * i : Nombre de mostra * absm : absorvancia mesurada per a la mostra i * comm : concentracio de complexe en la mostra i calculada a partir de la recta patro (mol/l) i absm comm 1 0.09500 0.43436E-04 2 0.13900 0.49268E-04 3 0.25700 0.64908E-04 4 0.28900 0.69149E-04 5 0.38200 0.81475E-04 -------------------------------------------------------------------------------- CONCENTRACIONS A L-EQUILIBRI -------------------------------------------------------------------------------- * i : Nombre de mostra * xm : concentracio de x en la mostra i (mol/l) * dxm : error en xm per a la mostra i (mol/l) on x = a, dissolucio A b, dissolucio B com, complexe Conc. COMPLEX equilibri: i comm +- dcomm 1 0.000043 +- .000016 2 0.000049 +- .000015 3 0.000065 +- .000015 4 0.000069 +- .000015 5 0.000081 +- .000015 Conc. A equilibri: i am +- dam 1 0.000459 +- .000016 2 0.000704 +- .000016 3 0.000940 +- .000016 4 0.001186 +- .000016 5 0.001425 +- .000016 Conc. B equilibri: i bm +- dbm 1 0.000466 +- .000016 2 0.000460 +- .000016 3 0.000444 +- .000015 4 0.000440 +- .000015 5 0.000428 +- .000015 -------------------------------------------------------------------------------- FORC,A IONICA -------------------------------------------------------------------------------- i I +- dI 1 0.4853 +- .0019 2 0.4855 +- .0019 3 0.4857 +- .0019 4 0.4860 +- .0019 5 0.4862 +- .0019 Forc,a Ionica: 0.4857 +- .0008 * FACTOR DESVIACIO STANDARD : 2.0 Desv-st 0.4857 +- .0003 I constant: Kc mitjana de les mostres possible -------------------------------------------------------------------------------- COEFICIENTS D-ACTIVITAT -------------------------------------------------------------------------------- Llei Davis Coef. activitat A i ga +- dga 1 0.7330 +- .0003 2 0.7330 +- .0003 3 0.7330 +- .0003 4 0.7330 +- .0003 5 0.7330 +- .0003 Coef. activitat B i gb +- dgb 1 0.06109 +- .00022 2 0.06110 +- .00022 3 0.06111 +- .00022 4 0.06112 +- .00022 5 0.06112 +- .00022 Coef. activitat Complex i gcom +- dgcom 1 0.2887 +- .0005 2 0.2887 +- .0005 3 0.2887 +- .0005 4 0.2887 +- .0005 5 0.2888 +- .0005 -------------------------------------------------------------------------------- CONSTANTS D-EQUILIBRI -------------------------------------------------------------------------------- Kc 1 200. +- 70. 2 150. +- 50. 3 160. +- 40. 4 130. +- 30. 5 134. +- 25. Kg 1 6.45 +- .03 2 6.45 +- .03 3 6.45 +- .03 4 6.45 +- .03 5 6.44 +- .03 Kt 1 1300. +- 500. 2 1000. +- 300. 3 1000. +- 240. 4 850. +- 190. 5 860. +- 160. Kc mitjana 155. +- 21. Kg mitjana 6.446 +- .011 Kt mitjana 1000. +- 130. -------------------------------------------------------------------------------- 0.NO CONVERGENCIA: diferencia de KTm consecutives 1001.75 major que 130.0000 (new: 1001.75 ; old: 0.00) ################################################################################ ITERACIO Num: 1 ################################################################################ -------------------------------------------------------------------------------- DISSOLUCIONS PATRO -------------------------------------------------------------------------------- i ap cp xc fip kgp kcp 1 0.000E+00 0.125E+00 0.245E-03 1.21688 3.06879 326.43198 2 0.000E+00 0.832E-01 0.159E-03 0.97190 4.22344 237.18860 3 0.000E+00 0.624E-01 0.117E-03 0.84940 4.85848 206.18597 4 0.000E+00 0.499E-01 0.909E-04 0.77591 5.24064 191.15072 5 0.000E+00 0.416E-01 0.740E-04 0.72691 5.48910 182.49824 6 0.000E+00 0.356E-01 0.619E-04 0.69191 5.66067 176.96688 7 0.000E+00 0.312E-01 0.530E-04 0.66567 5.78483 173.16862 8 0.000E+00 0.250E-01 0.406E-04 0.62892 5.95026 168.35427 9 0.000E+00 0.200E-01 0.308E-04 0.59952 6.07386 164.92838 10 0.000E+00 0.166E-01 0.245E-04 0.57992 6.15108 162.85774 -------------------------------------------------------------------------------- RECTA PATRO -------------------------------------------------------------------------------- * i : Nombre de patro * comp : concentracio de complexe en el patro i (mol/l) * absp : absorvancia mesurada per al patro i * abspcal : absorvancia calculada a partir de l-ajust per al patro i i comp absp abspcal 1 0.24510E-03 1.72200 1.66798 2 0.15934E-03 1.14800 1.03001 3 0.11650E-03 0.52700 0.71139 4 0.90918E-04 0.39400 0.52108 5 0.73963E-04 0.33500 0.39495 6 0.61933E-04 0.27700 0.30546 7 0.52975E-04 0.25400 0.23883 8 0.40570E-04 0.18900 0.14655 9 0.30822E-04 0.15300 0.07404 10 0.24459E-04 0.11800 0.02671 ajust a una recta : abs = -0.15524 + 7438.69450 comp R = 0.98168 R2 = 0.96370 desviacio stand. de l-abs: 0.10488 desviacio stand. de l-ordenada en l-origen: 0.05652 desviacio stand. del pendent: 510.39857 -------------------------------------------------------------------------------- ABSORVANCIES MOSTRES -------------------------------------------------------------------------------- * i : Nombre de mostra * absm : absorvancia mesurada per a la mostra i * comm : concentracio de complexe en la mostra i calculada a partir de la recta patro (mol/l) i absm comm 1 0.09500 0.33640E-04 2 0.13900 0.39555E-04 3 0.25700 0.55418E-04 4 0.28900 0.59720E-04 5 0.38200 0.72222E-04 -------------------------------------------------------------------------------- CONCENTRACIONS A L-EQUILIBRI -------------------------------------------------------------------------------- * i : Nombre de mostra * xm : concentracio de x en la mostra i (mol/l) * dxm : error en xm per a la mostra i (mol/l) on x = a, dissolucio A b, dissolucio B com, complexe Conc. COMPLEX equilibri: i comm +- dcomm 1 0.000034 +- .000015 2 0.000040 +- .000015 3 0.000055 +- .000015 4 0.000060 +- .000015 5 0.000072 +- .000015 Conc. A equilibri: i am +- dam 1 0.000469 +- .000015 2 0.000714 +- .000015 3 0.000949 +- .000016 4 0.001196 +- .000015 5 0.001434 +- .000016 Conc. B equilibri: i bm +- dbm 1 0.000476 +- .000015 2 0.000470 +- .000015 3 0.000454 +- .000015 4 0.000449 +- .000015 5 0.000437 +- .000015 -------------------------------------------------------------------------------- FORC,A IONICA -------------------------------------------------------------------------------- i I +- dI 1 0.4853 +- .0019 2 0.4855 +- .0019 3 0.4857 +- .0019 4 0.4860 +- .0019 5 0.4862 +- .0019 Forc,a Ionica: 0.4858 +- .0008 * FACTOR DESVIACIO STANDARD : 2.0 Desv-st 0.4857 +- .0003 I constant: Kc mitjana de les mostres possible -------------------------------------------------------------------------------- COEFICIENTS D-ACTIVITAT -------------------------------------------------------------------------------- Llei Davis Coef. activitat A i ga +- dga 1 0.7330 +- .0003 2 0.7330 +- .0003 3 0.7330 +- .0003 4 0.7330 +- .0003 5 0.7331 +- .0003 Coef. activitat B i gb +- dgb 1 0.06109 +- .00022 2 0.06110 +- .00022 3 0.06111 +- .00022 4 0.06112 +- .00022 5 0.06112 +- .00022 Coef. activitat Complex i gcom +- dgcom 1 0.2887 +- .0005 2 0.2887 +- .0005 3 0.2887 +- .0005 4 0.2887 +- .0005 5 0.2888 +- .0005 -------------------------------------------------------------------------------- CONSTANTS D-EQUILIBRI -------------------------------------------------------------------------------- Kc 1 150. +- 70. 2 120. +- 50. 3 130. +- 40. 4 110. +- 30. 5 115. +- 24. Kg 1 6.45 +- .03 2 6.45 +- .03 3 6.45 +- .03 4 6.45 +- .03 5 6.44 +- .03 Kt 1 1000. +- 400. 2 800. +- 300. 3 830. +- 230. 4 720. +- 180. 5 740. +- 150. Kc mitjana 125. +- 19. Kg mitjana 6.446 +- .011 Kt mitjana 800. +- 130. -------------------------------------------------------------------------------- 1.NO CONVERGENCIA: diferencia de KTm consecutives 197.33 major que 130.0000 (new: 804.43 ; old: 1001.75) ################################################################################ ITERACIO Num: 2 ################################################################################ -------------------------------------------------------------------------------- DISSOLUCIONS PATRO -------------------------------------------------------------------------------- i ap cp xc fip kgp kcp 1 0.602E-05 0.125E+00 0.244E-03 1.21690 3.06872 262.13761 2 0.808E-05 0.832E-01 0.157E-03 0.97192 4.22332 190.47247 3 0.906E-05 0.624E-01 0.114E-03 0.84943 4.85835 165.57605 4 0.953E-05 0.499E-01 0.889E-04 0.77594 5.24049 153.50193 5 0.974E-05 0.416E-01 0.719E-04 0.72694 5.48896 146.55341 6 0.981E-05 0.357E-01 0.599E-04 0.69194 5.66053 142.11130 7 0.980E-05 0.312E-01 0.510E-04 0.66570 5.78470 139.06096 8 0.965E-05 0.250E-01 0.387E-04 0.62895 5.95013 135.19452 9 0.936E-05 0.200E-01 0.292E-04 0.59955 6.07375 132.44309 10 0.902E-05 0.166E-01 0.229E-04 0.57995 6.15098 130.78006 -------------------------------------------------------------------------------- RECTA PATRO -------------------------------------------------------------------------------- * i : Nombre de patro * comp : concentracio de complexe en el patro i (mol/l) * absp : absorvancia mesurada per al patro i * abspcal : absorvancia calculada a partir de l-ajust per al patro i i comp absp abspcal 1 0.24367E-03 1.72200 1.67053 2 0.15747E-03 1.14800 1.02963 3 0.11448E-03 0.52700 0.70994 4 0.88852E-04 0.39400 0.51939 5 0.71911E-04 0.33500 0.39343 6 0.59924E-04 0.27700 0.30430 7 0.51022E-04 0.25400 0.23811 8 0.38745E-04 0.18900 0.14682 9 0.29157E-04 0.15300 0.07553 10 0.22944E-04 0.11800 0.02933 ajust a una recta : abs = -0.14127 + 7435.52347 comp R = 0.98212 R2 = 0.96457 desviacio stand. de l-abs: 0.10362 desviacio stand. de l-ordenada en l-origen: 0.05506 desviacio stand. del pendent: 503.86605 -------------------------------------------------------------------------------- ABSORVANCIES MOSTRES -------------------------------------------------------------------------------- * i : Nombre de mostra * absm : absorvancia mesurada per a la mostra i * comm : concentracio de complexe en la mostra i calculada a partir de la recta patro (mol/l) i absm comm 1 0.09500 0.31775E-04 2 0.13900 0.37693E-04 3 0.25700 0.53563E-04 4 0.28900 0.57866E-04 5 0.38200 0.70374E-04 -------------------------------------------------------------------------------- CONCENTRACIONS A L-EQUILIBRI -------------------------------------------------------------------------------- * i : Nombre de mostra * xm : concentracio de x en la mostra i (mol/l) * dxm : error en xm per a la mostra i (mol/l) on x = a, dissolucio A b, dissolucio B com, complexe Conc. COMPLEX equilibri: i comm +- dcomm 1 0.000032 +- .000015 2 0.000038 +- .000015 3 0.000054 +- .000015 4 0.000058 +- .000015 5 0.000070 +- .000015 Conc. A equilibri: i am +- dam 1 0.000470 +- .000015 2 0.000716 +- .000015 3 0.000951 +- .000015 4 0.001198 +- .000015 5 0.001436 +- .000015 Conc. B equilibri: i bm +- dbm 1 0.000477 +- .000015 2 0.000471 +- .000015 3 0.000456 +- .000015 4 0.000451 +- .000015 5 0.000439 +- .000015 -------------------------------------------------------------------------------- FORC,A IONICA -------------------------------------------------------------------------------- i I +- dI 1 0.4853 +- .0019 2 0.4856 +- .0019 3 0.4858 +- .0019 4 0.4860 +- .0019 5 0.4862 +- .0019 Forc,a Ionica: 0.4858 +- .0008 * FACTOR DESVIACIO STANDARD : 2.0 Desv-st 0.4858 +- .0003 I constant: Kc mitjana de les mostres possible -------------------------------------------------------------------------------- COEFICIENTS D-ACTIVITAT -------------------------------------------------------------------------------- Llei Davis Coef. activitat A i ga +- dga 1 0.7330 +- .0003 2 0.7330 +- .0003 3 0.7330 +- .0003 4 0.7330 +- .0003 5 0.7331 +- .0003 Coef. activitat B i gb +- dgb 1 0.06109 +- .00022 2 0.06110 +- .00022 3 0.06111 +- .00022 4 0.06112 +- .00022 5 0.06112 +- .00022 Coef. activitat Complex i gcom +- dgcom 1 0.2887 +- .0005 2 0.2887 +- .0005 3 0.2887 +- .0005 4 0.2887 +- .0005 5 0.2888 +- .0005 -------------------------------------------------------------------------------- CONSTANTS D-EQUILIBRI -------------------------------------------------------------------------------- Kc 1 140. +- 70. 2 110. +- 40. 3 120. +- 30. 4 110. +- 30. 5 112. +- 24. Kg 1 6.45 +- .03 2 6.45 +- .03 3 6.45 +- .03 4 6.45 +- .03 5 6.44 +- .03 Kt 1 900. +- 400. 2 700. +- 300. 3 800. +- 220. 4 690. +- 180. 5 720. +- 150. Kc mitjana 119. +- 19. Kg mitjana 6.446 +- .011 Kt mitjana 770. +- 120. -------------------------------------------------------------------------------- 2.CONVERGENCIA ASSOLIDA: diferencia de KTm consecutives 36.69 menor que 120.0000 (new: 767.74 ; old: 804.43) ================================================================================ ================================================================================ ERROR FINAL ================================================================================ ================================================================================ -------------------------------------------------------------------------------- CONSTANT DE COEFICIENTS D-ACTIVITAT -------------------------------------------------------------------------------- ******************************************************************************** * FACTOR DESVIACIO STANDARD : 2.0 km +- error mesura 6.446 +- .011 km +- Desv-st 6.448 +- .004 error mesura > des-st. ymax=T RESULTAT FINAL: 6.448 +- .011 -------------------------------------------------------------------------------- CONSTANT D-EQUILIBRI DE CONCENTRACIONS -------------------------------------------------------------------------------- ******************************************************************************** * FACTOR DESVIACIO STANDARD : 2.0 km +- error mesura 119. +- 19. km +- Desv-st 118. +- 11. error mesura > des-st. ymax=T RESULTAT FINAL: 118. +- 19. -------------------------------------------------------------------------------- CONSTANT D-EQUILIBRI TERMODINĀMICA -------------------------------------------------------------------------------- ******************************************************************************** * FACTOR DESVIACIO STANDARD : 2.0 km +- error mesura 770. +- 120. km +- Desv-st 760. +- 80. error mesura > des-st. ymax=T RESULTAT FINAL: 760. +- 120. ================================================================================