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0 0 1 }{CSTYLE "Help Fixed" -1 23 "Courier" 1 10 0 0 0 1 2 2 2 2 2 2 0 0 0 1 }{PSTYLE "" -1 209 1 {CSTYLE "" -1 -1 "Times" 1 18 0 0 255 1 2 1 2 2 2 2 1 0 0 1 }3 1 0 0 8 4 2 0 2 0 2 2 -1 1 }} {SECT 0 {EXCHG {PARA 209 "" 0 "" {TEXT 207 9 "FCH - B04" }}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 17 "P\370evodov\341 \350\355sla I" }}{PARA 0 "" 0 "" {TEXT 212 435 "P\370i teplot\354 26,2 \260C byl Hittorf\371v \+ p\370\355stroj s inertn\355mi elektrodami napln\354n roztokem, kter\37 5 obsahoval 0,065 mol KOH v 1 dm^3 roztoku. B\354hem elektrol\375zy, k ter\341 trvala 42 minut, se hmotnost katody s\351riov\354 zapojen\351h o coulometru na m\354\357 zv\354t\232ila o 80,4 mg (MCu = 63,54 g/mol) . Po skon\350en\355 pokusu m\354l katodov\375 roztok objem 69 cm^3 a j eho anal\375zou byla zji\232t\354na koncentrace KOH 0,072 mol/dm^3. Vy po\350\355tejte p\370evodov\341 \350\355sla iont\371 K(+) a OH(-). \n" }{TEXT 212 26 "[t- = 0,191, t- = 0,809]" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 12 "Vs tupn\355 data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 59 "c0:=0.065; \+ c:=0.072; V:=69e-3; mCu:=80.4e-6; MCu:=63.54e-3;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\33 0e\232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 13 "nCu:=mCu/MCu ;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "ne:=2*nCu;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 14 "dnK:=V*(c-c0);" }}}{EXCHG {PARA 0 " > " 0 "" {MPLTEXT 1 0 11 "tK:=dnK/ne;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "tOH:=1-tK;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 18 "P\370evodov\341 \350\3 55sla II" }}{PARA 0 "" 0 "" {TEXT 212 576 "Roztok HCl o koncentraci 0, 05 mol/dm^3 byl elektrolyzov\341n mezi inertn\355mi elektrodami. V oka m\236iku, kdy roztokem pro\232el n\341boj 413,9 C, byla elektrol\375za zastavena. Katodov\375 i anodov\375 roztok byly titrov\341ny roztokem NaOH o koncentraci 0,085 mol/dm^3. Katodov\375 roztok v\341\236il 57 \+ g a na jeho neutralizaci bylo spot\370ebov\341no 24,8 cm^3 roztoku NaO H. Vypo\350\355tejte p\370evodov\341 \350\355sla obou iont\371 a objem roztoku NaOH, kter\375 byl zapot\370eb\355 na titraci 86,5 g anodov\3 51ho roztoku. Hustota katodov\351ho i anodov\351ho roztoku je 1,006 g/ cm^3. [ne = 4,29 mmol, t+ = 0,169, t- = 0,831, V(NaOH) = 8,64 cm^3] " }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 12 "Vstupn\355 data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 85 "c0:=0.05e3; Q:=413.9; cNa:=0.085e3; mk:=57e-3; VN ak:=24.8E-6; ma:=86.5e-3; rho:=1006;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 9 "F:=96485;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\330e\232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "ne:=Q/F;" }}}{EXCHG {PARA 0 "> " 0 " " {MPLTEXT 1 0 11 "Vk:=mk/rho;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 16 "ck:=cNa*VNak/Vk;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 16 "dnk:=(ck-c0)*Vk;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 13 "tCl:=- dnk/ne;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "tH:=1-tCl;" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 12 "dna:=-ne*tH;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 11 "Va:=ma/rho;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 14 "ca:=c0+dna/Va;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 16 "VNaa:=ca*Va/cNa;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 19 "VNaa[ml]:=VNaa*1e6;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 48 "Konduktiv ita a mol\341rn\355 vodivost z m\354rn\351ho odporu" }}{PARA 0 "" 0 "" {TEXT 212 163 "Ur\350ete mol\341rn\355 vodivosti roztok\371 p\354ti a norganick\375ch slou\350enin o koncentraci 0,02 mol/dm^3, jejich\236 k onduktivita byla zji\232\235ov\341na m\354\370en\355m odporu vodivostn \355 n\341dobky, " }}{PARA 0 "" 0 "" {TEXT 212 109 "napln\354n\351 m\3 54\370en\375m roztokem: R(KCl) = 470 Ohm, R(HCl) = 160 Ohm, R(CaCl2) = 304 Ohm, R(K4[Fe(CN)6]) = 120 Ohm.\n" }{TEXT 212 80 "N\341dobka byla \+ kalibrov\341na pomoc\355 0,02 mol\341rn\355ho roztoku KCl (kappa= 0,27 65 S/m).\n" }{TEXT 212 109 "(lambda(HCl) = 0,04061 S m^2/mol, lambda(C aCl2) = 0,02137 S m^2/mol, lambda(K4[Fe(CN)6]) = 0,05415 S m^2/mol." } }{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 12 "Vstupn\355 data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 68 "R[KCl]:=470; R[HCl]:=160; R[CaCl2]:=304; R[K4FeCN6]:= 120; c:=0.02e3;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 19 "kappa[KC l]:=0.2765;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\330e\232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 26 "lambda[KCl]:=kappa[KCl]/c;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 39 "lambda[HCl]:=lambda[KCl]*R[KCl]/R[HCl];" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 43 "lambda[CaCl2]:=lambda[KCl]*R [KCl]/R[CaCl2];" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 47 "lambda[K 4FeCN6]:=lambda[KCl]*R[KCl]/R[K4FeCN6];" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 25 "Limitn\35 5 mol\341rn\355 vodivosti" }}{PARA 0 "" 0 "" {TEXT 212 329 "Limitn\355 mol\341rn\355 vodivost kyseliny m\341seln\351 m\341 p\370i teplot\354 25 \260C hodnotu 3,823e-2 S.m^2/mol, limitn\355 mol\341rn\355 vodivos t vod\355kov\351ho kationtu je 0,03497 S.m^2/mol. Za p\370edpokladu, \+ \236e st\370edn\355 aktivitn\355 koeficient je roven jedn\351, vypo\35 0\355tejte limitn\355 mol\341rn\355 vodivost aniontu CH3(CH2)2COO- a p \370evodov\341 \350\355sla iont\371 p\370i nekone\350n\351m z\370ed\35 4n\355.\n" }{TEXT 212 65 "[lambda(C3H7COO-) = 0,00326 S.m^2/mol, tK = \+ 0,9147, tA = 0,0853]" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "rest art;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 5 "Data " }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 37 "lambdaHA:=3.823e-2; lambdaH:=0.03497;" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\330e\232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 26 "lambdaA:=lambdaHA-lambdaH;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "tK:=lambdaH/lambdaHA;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "tA:=lambdaA/lambdaHA;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 43 "V\375po\350et sou\35 0inu rozpustnosti z konduktivity" }}{PARA 0 "" 0 "" {TEXT 212 162 "Nas ycen\375 roztoku jodidu olovnat\351ho m\341 p\370i teplot\354 25 \260C konduktivitu 3,82E-2 S/m, konduktivita pou\236it\351 vody je 1,8E-4 S /m. Limitn\355 mol\341rn\355 vodivosti maj\355 hodnoty\n" }{TEXT 212 378 "lambda(Pb(2+)) = 0,0139 S m^2/mol, lambda(I(-)) = 0,00769 S m^2/m ol. V\375po\350et prove\357te jednak za p\370edpokladu ide\341ln\355ho roztoku a jednak s odhadem aktivitn\355ch koeficient\371 pomoc\355 De byeova-H\374ckelova z\341kona. Konstanta Debyeova-H\374ckelova zakona je A=1.176 dm^1.5 mol^-0.5 [c = 0,0013 mol /dm^3, ide\341ln\355 rozto k: K(PbI2) = 8,76E-9, re\341ln\375 roztok: gamma = 0,8639 K(PbI2) = 5,65E-9]" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}} {SECT 1 {PARA 4 "" 0 "" {TEXT 213 12 "Vstupn\355 data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 76 "kappa_roz:=3.82E-2; kappa_H2O:=1.8E-4; la mbda_Pb:=0.0139; lambda_I:=0.00769;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 21 "A:=1.176; cst:=1000.;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 11 "Koncentrac e" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 27 "kappa:=kappa_roz-kappa_ H2O;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 29 "lambda:=lambda_Pb+2 *lambda_I;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 16 "c:=kappa/lamb da;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 14 "Ide\341ln\355 roztok" }}{EXCHG {PARA 0 "> " 0 " " {MPLTEXT 1 0 10 "cc:=c/cst;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "K:=4*cc^3;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}} {SECT 1 {PARA 4 "" 0 "" {TEXT 213 13 "Re\341ln\375 roztok" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 20 "IS:=0.5*(cc*4+2*cc);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 25 "gama:=exp(-A*2*sqrt(IS));" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 11 "a:=cc*gama;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 9 "K:=4*a^3;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 43 "V\375p o\350et konduktivity z disocia\350n\355 konstanty" }}{PARA 0 "" 0 "" {TEXT 212 268 "Vypo\350\355tejte konduktivitu 0,0002 mol\341rn\355ho r oztoku kyseliny propionov\351, jej\355\236 disocia\350n\355 konstanta \+ m\341 hodnotu 1,33E-5 (standardn\355 stav c\260 = 1 mol dm-3). Dal\232 \355 pot\370ebn\351 \372daje vyhledejte v tabulk\341ch. Aktivitn\355 k oeficienty pova\236ujte za rovny jedn\351. [kappa = 1,748E-3 S/m]" }} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 12 "Vstupn\355 data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 22 "c:=0.0002; K:=1.33E-5;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 36 "lamda_H:=0.03497; lambda_A:=0.00358;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\330e\232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 6 "cH: =x;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 6 "cA:=x;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 9 "cHA:=c-x;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "r:=K=cH*cA/cHA;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 19 "solve(\{r,x>0\},\{x\});" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 10 "assign(%);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 11 "alpha:=x/c;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 33 "lambda:= alpha*(lamda_H+lambda_A);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 23 "kappa:=lambda*(c*1000);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 66 "Acidobazick\341 titrac e s konduktometrickou indikac\355 bodu ekvivalence" }}{PARA 0 "" 0 "" {TEXT 212 136 "Roztok kyseliny chlorovod\355kov\351 o objemu 0,1 l a \+ koncentraci 0,01 mol/l byl titrov\341n roztokem hydroxidu sodn\351ho o koncentaci 0,05 mol/l." }}{PARA 0 "" 0 "" {TEXT 212 73 "Jak z\341vis \355 konduktivita roztoku na mno\236stv\355 p\370idan\351ho titra\350n \355ho \350inidla." }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart ;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 12 "Vstupn\355 data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 28 "c0:=0.01; V:=0.1; cNa:=0.05;" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 74 "lambdaH:=0.03497; lambdaOH:= 0.01976; lambdaCl:=0.00763; lambdaNa:=0.00501;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\330e \232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 31 "H:=max((V*c0-d V*cNa)/(V+dV),0);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 16 "Cl:=c0 *V/(V+dV);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 17 "Na:=cNa*V/(V+ dV);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 32 "OH:=max((dV*cNa-V*c 0)/(V+dV),0);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 60 "kappa:=(la mbdaH*H+lambdaCl*Cl+lambdaNa*Na+lambdaOH*OH)*1000;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 20 "plot(kappa,dV=0..V);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 42 "plot(diff(kappa,dV),dV=0..V,discont=true);" }} }{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}{SECT 1 {PARA 3 "" 0 "" {TEXT 211 47 "V\375po\350et disocia\350n\355 konstanty rozpu\232t\3 54n\351ho plynu" }}{PARA 0 "" 0 "" {TEXT 212 369 "V 1 dm3 vody o kondu ktivit\354 5,32e-4 S/m bylo za teploty 25 \260C a tlaku 101 kPa rozpu \232t\354no 200 cm^3 amoniaku. Za uveden\375ch podm\355nek je mo\236no p\370edpokl\341dat ide\341ln\355 chov\341n\355 plynn\351ho amoniaku. \+ Vznikl\375 roztok m\354l konduktivitu 1,079e-2 S/m. Vypo\350\355tejte \+ disocia\350n\355 konstantu amoniaku (aktivitn\355 koeficienty pova\236 ujte za jednotkov\351). Dal\232\355 pot\370ebn\351 \372daje vyhledejte v tabulk\341ch.\n" }{TEXT 212 13 "[K = 1,84e-5]" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "restart;" }}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 4 "Data" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 76 "V:=1e-3; kappa_v: =5.32e-4; Vg:=200e-6; p:=101e3; T:=298.15; kappa:=1.079e-2;" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 9 "R:=8.314;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 38 "lambdaNH4:=0.00737; lambdaOH:=0.01976;" }}} {EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}{SECT 1 {PARA 4 "" 0 "" {TEXT 213 6 "\330e\232en\355" }}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 15 "ng:=Vg*p/(R*T);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 8 "c:= ng/V;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 26 "lambda:=(kappa-kap pa_v)/c;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 29 "lambda_n:=lambd aNH4+lambdaOH;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 23 "alpha:=la mbda/lambda_n;" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 33 "Kdis:=(c/ 1000)*alpha^2/(1-alpha);" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 " " }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}{EXCHG {PARA 0 "> " 0 "" {MPLTEXT 1 0 0 "" }}}}}} {MARK "0 0 0" 0 }{VIEWOPTS 1 1 0 1 1 1803 1 1 1 1 }{PAGENUMBERS 0 1 2 33 1 1 }