L pHAN CH{.I1{G CI{O TAT CA fni StrMI: (40 cAu, fir cffu t itiin cdu 40) Ciu 1: Cho phAn irng: Cu + tf + NO, ) Cu2* + NO + HzO T6ng c6c hQ s6 cAn bing (nguy6n, ttii gidn) cfia phdLn irng tr6n ld A. 10. 8.23. 11 aa CduZ:Trong Er nhi6n Cu c6 hai ddng vi llCu vir jl Cu. ffrOi luo.ng nguy€n tu'trung binh cria Cu Id 63,54. Bi6t Mcr : 35,5.Thinh phAn % .,0 t<t 5i luo.ng cria ilCu trong CuCh ld A.34,L8yo 8,26,7'lyo' C' 12,64yo' D'27,00o4 CAu 3: DiQn ph6n n6ng ch1y hodn todn 19,0 gam mu.5i MClr thu duqc 4,48lit khi (dktc) 6 anot. M ld kim lopi nio trong c6c kim lopi cho du6'i dAY ? A.fUg '8. Ba C. Ca D' Be car +, Tfrc tich dung dich A chira tl6ng thd'i hai axit HCI 0,15M vd HzSO+ 0,i5M can ae trung hod 300m1 dung dich B chri'a h6n ho.p hai bazo NaOH 0,1M vd Ba(OH), 0,1M H A.450ml 8.200m1. C. 150m1. D' 300m1' CAu 5: Chia h5n ho. p X gdm glucozo vd mantozo thinh hai phAn bing nhau: - phAn I : Hod tan hodn todn vdo nu6'c rdi l6y dung dich cho t6c dr.rng v6i AgNO3/NH3 du dugc 0,02 mol Ag. - Phdn 2 : D,rnv6i dung dich HzSO+ lodng. Hdn hgp sau phAn ring dugc trung hoir b6'i dung dich NaOH, sau d6 cho toirn b0 s6n phAm t6c dgng v6'i lugng du dung dich AgNO:A{H3 dtro. c 0,03 mol Ag. Sd mol cria glucozcr vi mantozcv trong X lAn luoj lA A. 0,01 vi 0,01 B. 0,02 vd 0,01 C.0,01 vi 0,005. D. 0,005 vd 0,005. TRIJONG EI{SP r{,4. NQI TR.{'ONG THFT CI{UYfN MA cli: 221 lit CO2 (dktc). V c6 gi6 tri nio du6'i d6y ? 4.2,240lit B. 1,680lft 20,W+fr1 ?nu DAI l{qc LAN rr{tt H }t.q.M 2012 naon noa HQC Thdi gian ldmbdi: 90 pltrit D.28. c.0,6'12 lit D.0,112Lit Ciu 6: Cho phuong trinh sau: : C6HsCH:CH2+KMnoa*H2So4-}C6H5CooH+Coz+MnSo++KzSo4+HzO ^A A ^ ,A. , t A, I ong n9 so nguyen, rol glan cua cac cnar tham gia phan irng khi cdn bing ln A. 18. 8.14. c. 15. D.21. Ciu 7: Cho glgcozo l€n men uO'i nieo strdt 70Vo, h6p thg todn. bQ sin phAm khi tho6t ra vio 2 lit dung dich NaOH 0,5M (D : t,6S g/ml) thu duo. c dung dich chfa hai mu6i v6{ t6ng n6ng dQ lh,3,2lyo. Khdi luq'ng glucozo tld dirng lA A.9i,{Z-gu . B. 67,5 gam. C.192,86 gam. , . D' 135,0 gam' CAu B: Chia hdn ho. p X gOm hai andetit no, do-n chitc, rngch h6'thanh hai phAn bing nhau: - PhAn 1: dem AOt cfray hodLn todn thu dtrgc 0,540 gam H2O. - phAn 2: Cho tdc dgng tr6t vO'i Hz du (Ni, t") thu duo. c hdn hqp Y. O5t ch6y hodn tobn h6n ho.p Y, thu duo. c V A. NarPO+ vdL HIPO+. B. NaHzPO+ vd NaEPOq. C. NazIIPOq vd Na:POa. D. NaOH vd NaHzPO+. CAu 12: Cho cdc dung dlch mu6i sau: NaNOr, K2CO3, CuSQa, Fe(NO3)3, Al2(SOa)3, NaHCO:, KHSO4' T6ng s6 dung dich c6 gi6 tripH < 7 ld A.3. 8.5. c.4. D.2. c6u 9: D6 nhdn bir5t hai binh khi co2 vi so2, c6ch nao sau ddy kh6ng dring ? A. Cho mdi khi vdo dLrng dich Brz. B. Cho m6i khi vdo dung dich KMnOq' C. Cho rndi khi vio dun! dich HzS. D. Cho tir tir d6n clu m5i khi vdo dung dich Ca(OlI)2. . C6u 10: EiQn ph6.n dung dlih h5n hqp NaCl, NaNO3, CuCl2 vd Cu(NO3)2 v6'i cuo'ng tlQ ddng diOn 1,934 d€n khi bat dAu c6 khi tho6t ra 6' catot thi dirng l+i, thd'i gian dipn phAn li 1 gio'40 phirt. I(h6i ltLolg kim loai tho6t ra d catot ld A.7,68 gam. B. 1,92 gam. C. 3,84 gam D' 5,76 gam' Ciu 11: Cho pzOs t6c dpug v6i dung dich NaOH thu dugc dungtich g6m hai ch6t tan. Hai chAt d6 c6 tli6 lA Ciu t3: SAn xudt amomiac trong c6ng nghiQp dga tr6n phuong trinh ho6 hqc sau: N, (ft) + 3H2(k) <-+ 2NH3 (fr) ; LH= -92 kJ/ mol D€ tang hiQu suAt t6ng ho.p amoniac ta phAi thtlc hiQn biQn phAp nAo ? A. Giain rtp su6t vd ta:ng nttiCt a9, B. Gi6m ,1l.t^,:6j:U.tlAm nhi€t d0. C. Tang 5p suAt vi tdng nhi6t d6. D. Gi6m nhiet d6 vd tlng 6p suAt. Cdu 14: Cho so'd6 phdn irng: CaCO: -+ CaC2 -+ CzLIt -> vinyla,retilen -) cHr:cH-cH:cH2 -) caosubuna. 56 pliAn rlng oxi ho6 - khir trong so'dO tren le A.4. B. 3. c. 1. D'2' www.VNMATH.com www.VNMATH.com 20/2/2012 C6u 15: Ho. p ch5t htu co X chira vdng benzen.U "*q,-LO: O.tt"lt-r,t trirng v6'i c6ng tirrlc dc,1 Sialnfdt'.Trong X' li ; kt,Ai t,;;"; "a" oguyJn ;6 it; , ,nl , ,oo : zt :2, s. eicf khi X phan ilng hodn tohn v6'i Na thi thu drLo. c s6 ntol khi hidro bing sil mol cua X dd phin fnrg' . : i c6 bao nhi€-u d6ng phAn (chf'a vdng benze') th6a *rdn c6c tinh chAt tr6n ? A. 10. B. 9. c'7 ' D' 3' CAu 16: Cho c6c chAt sau: isopren; stiren; xilen; axetilen; caprolactam; xiclohexan; xenlulozs'C6 bao nhi€u chAt kh6ng c6 khi ndng tham gia phin img trung ho. p ? A. l. 8.4. c'2' D' 3' ciu 17: C6 bao nhi6u electron trong ion col- @iet s6 hiQu nguy€n ttl cira c vd o lan luqt ld 6 vir 8) ? A.28. 8.34, , c' 30' D'32' cau lg: o6t chay hoi'r toin m gam hidrocacbon X dLro. c m gam Hzo, x khdng phan rilg voi Br: khi c6 rndt Fe, t0 cdn khi Jrnn6ngbromvdiXtheotile;lI:1t*oIdAnxu6tchuaing'y€'ttrbrom'T€*ggicriaXlA A. hJxameylbenzen. B. benzen. C. 1,3,5-trietylbenzen. D' toluen' cdu 1g: Nguyen t5 M d nh6m IIIA. Ph6t bi€u niro sau d6y <lirng ? A. M kirone t4o dtto.'c hqp chAt khi v6'i hidro' B. M ld kim loai h6a tri IIl. C. H9? chit ttri cfia M v6i hidro c6 cOng thirc li MHr' ' D. Oxit'cao nhAt cira M c6 c6ng thfi'c li MzOt' Ciu 20: Trong phAn tir benzen (CoHs) c6 - ! . !, "li rc" k#;t rzlie" tAit'. B. 3 li6n k6t n vi 3 li6n k6t o' C. i iier te, x vit 6li6n ki5t o. D. 3 li6n k6t n vi 9 li€n k6t o' cau 21: Nguy6n nr ";#; " ia "o t6ng s6 h4t mang itien vi khOnq mang diQn li 34. Trong d6 s6 hat ma'g diQn 'hidu ir" Jrri irio"g ','uig aign la t0 hat. Trong bdLng tuAn hoin, R thuQc A. chu ki Z, nh6m VIilA. B' chu ki 3' nh6m IIA' C. chu ki 3., nh6m IA D' chu ki 2, nh6m VIIA' cau22:TrQn l6n o"rg jfr, muoi 6HrHr;rSo+ v6i dung dich caG'lo)z r6i dun n6ng thi thu duo. c chAt khi X (sau khi da loai bd hoi ntr6'c). X le khi ndo dtr6i dAy ? ^ \7 n A. NOz. B. Nr. c' N2o' D' NH:' Ca;;;;;6 ddng phAn cfu tao ancol t'ng v6i c6ng thrlrc phAn tri CrHsO, C+HtoO, C:Hr2O lin ltrqt bing: A.2,3,7. 8.2,4,'1. c' 2,3'8' D'2,-1,1 . . i : catrztr',t' ;;g b5n chdt Hr, nci, ggr, HI chAt c6 nhiQt dQ sdi l6n nhdt vi ch6t c6 tinh khfi m4nh nhat lan luor li a.aa,iiafr. 'n.deuuru c.HFvdHI' D'HIvilIF ca" zi, nan r'qp x go,o solud o, "6 ti khoi so v6'iH2 bing 2!.1?y_!,43lit,h5'.lntI (anc);n1 di.g:: bi* dpg V2O5 nnng nOni. ifOr t np rtt.iduo-c cho lQi qua dung dich na(O42 du thdy c6 33,51 gam k€t tira' HiQu suAt phAn irng oxi ho6 SOz thinh SO3 le A.25%. B- 60%- c' 40%' D'75ya' calz|",'oo ,r,i bi6u di6n rrt ;6;tlti* cira kh5i lusng k6t tira thr-r duo. c theo sd mol NaoH cAn dirng khi cho tiL tir , clung dich NaOH 1M d6n du viro dung dlch AlCl3 1M ld mr\l( meriolqr B. A. C. IlNaoH D. nNaoH cdu27:X la este cfia giixin c6 ph6n tir kh6i bang 89. Cho nr g?m x t6c clr,rng v6'i dung dich NaoH drr, drtn n6ng' Toi' b0 lrro ng a'col thu dugc sau phzrn iLng dLrqJdAn qua onfstr cir;ng cuo cltr, dun n6ng. sdn phdm hoi thu duo-c ^ - n:4. ^i^ -L:.^ -,, -A,, .^ L^A- +^i- fli4 +.i nira rn lA nNaoH nNaoH www.VNMATH.com www.VNMATH.com A. 1,78 garn. 8.3,56 gam. 20/W'26'[Eu ' D' 0'89 gam' CAu 28: Su6t dign dQng cria pin diQn hori Cr-Ni la +0,51V vd E!.:* ,rr: +0,25Y' tinh Ef,z*rr.1; ? A. +0,135V. B.+0,26V. c. -0,135V' D' -0,26V' ca* iq, b6ich6y hoin todn a mol axit hfiu co X thu &tgc2amo1 coz. Mat kh6c dc tmng hod a mol X cAn vira dir 2a rnolKOH. K6t ludn ndo du6'i ddy kh6ng dirng ? A. X t6c dqng v6'i dung dich AgNO, trong NH3' B'99lg thfc c6u.t4o ."l]3 X le (CgOH)'? C.Xtdc dung v6i CrfiIOk cO t]re clo haieste. D. X t6c dpng v6i Ca(OH)2 t4o k6t tua' CAu 30: Cho dung dichX gom Zt{, C**, Cr. Dc lim ki5t tua hi5t b" 9f.o:F. 20oml g11g,dith * qnli.9*9.400m1 duns dich AeNor 0,4M. Khi cho dung dich NaoH du vdo 100m1 dung dich X ih., du-o. c k5t tua nung ktlt tua tl6n kh6i il;*ffi,;;?;iri'itl';;"'s; 1,6 gam .i6j'e". Nong$Q movl criajon zr]* c6 trong dung dich X ld A- o ?-M. g. o,+M c.0,3M' D' 0,1M' - rr. vr-r'4. ciu 31: MQt mu6i X c6 c6ng thric phen tri li c:ttrroo:Nz. L'6y 14,64.gam X ch.o.ph6n ring ht5t v6'i 150m1dung dich I(OH lM. C6 c4n aung ai"f,"suu phan,i,ng Auq" "h atiairepf,An toi. frong phAn hoi c6 mQt chAt hfi'u co Y bQc l, i.""g prri" .a" .ht iililirrp "riu "a" hqichAt vd co. Chit rinc6 khoi lueng ld A. 14,5 gam B. 13,5 gam C'23,8 gam D' 14'8 gam Cdu 32: Trong c5c phAn ttr polime: tintr UOt (amilozo), _xenlulozo, tinh bOt (amilopectin), poli(vinyl clorua), nhua phenolfomanO"efrit nfrnng phdn tu polime c6 c6u t4o mach thdng ld ,,,: :.::. A. Tinh bQt (amilopectin), poli(vinyl clorua), xenlulozo' B. Xerilulozt r, poli(vinyl clorua), nhua phenolfomandehit' CAu 33: DAu m,5'dC lau bi 6i, thiu ld do ll;rra1 ul" [i prrar huj,thdnh cdc andetrit c6 miri kh6 chiu. B. chAt b€o bi thuy phan v6i nu6c trong k1,r6ng khi. ;: #; #; ;i ir,u,u. D. chat b6o bi oxi h6a cham bdi oxi kh6ng ldri. cau 34: cho 1,28 gam cu vdo 100m1 dung dlch g6m NaNOr 0,i5M vd HzSO+.0,2M sau khi phnn img xay ra hodn toAn thu duo-c khi No';;;l't ;;;;;;ilan duig dich thu dusc h6n ho. p mu5i khan c6 kh6i luqng h A.3,535 gam. 8.3,225 gam' C'2,575 gam' D' 3'195 gam c6u 35: cho tat cir c6c dd"g;ilndo,i "t t r, mpch h6', c6 cung -6ng thirc phan tfi czHtoz lAn luot t6c drlng v6i: Na, NaOH, NaHCOr, AgNO:AtrH:' Si5 ph6n irng xiy ra ld A.4. B. 5. c.6. D"7' Cffu 36: Thfiy phAn este X c6ng thfrc phdn til CqHaOz trong m6i trurdng ki€m du, sau d6 cd c4n dung dich sau pftan ,ing thu Au-oc phAn hoi m6I ch6t hnu "o Y kh6ng t6c dpng v6'i Na vd khdng tham gia phin 6ng tring guong' C6ng thric c6u t4o cira este ld a. ucoocg:cH-cHr. E' HCOOCH2-CH:CH2' C. HCOOCH(CH3):CH2. D' CH3COOCH=CHz cAu 37: Dnng cb ao'ae Ctr hoin rodn m gam Fe*or,_d{njodn,bd 9l::t:i T11 .ll':"d:':e dich Ba(oH)z 0,lM thu dr-Lgc 0,05 mol k€t tira. M4t khdc hoi tan m gam fe.O, Uing dLrng ciich HCi ciu roi c6 c4n thi iiru rluo. c 16,25 garrt "mu6i khan. Gi5 tri cira m ld A. 16 gam. ts. 15,1 gam. C' B gam' S' 11'6 gam' Ciu 38: it 6t nao sau dAy d'gc dirng ldm thu6c nO kh6ttg ph6i ? A. Xenlrilozo triaxetat. ts. Glicogen' C. Sobitol. D' Xenlulozo trinitrat' Ca;:J;;;6;'ch4y holl roAn m gam mQt amin bing kh6ng khi vlra d_i,. Trong lo1trop.lau ph6n irng chi c6 0,4 rnol CO2;0,7 mol H2O vd 3,1 mol N2. Gie sfr kh6ng'klii chi g-6m N2 vd 02 trong d6 N, ctrit5m B0% th6 tich. Gi6 tri cira C. Xenlulozo, tinh bQt (amilopectin), poli(vinyl clorua)' D. Tinh bQt (amilozo), poli(vinyl clorua), xenlulozo' mld h.6,2 gam. 8.9 gam. C.93 gam. 8.49,6 gam. Ca;h;fil'it u 1,oan toin 3,36 ilt khi COz (dktc) vdo 100m1 dung dich X g6m KOH lM vd KzCO: 2M thi thu dLrgc dung aitn y chira rnu6i tan c6 kh6i luo.ng ld A.40,7 gam. B' i0 gam. IX. FrrAN RrENG [L0 c6u] A. Theo chuong trinh ChuAn (10 crtu, fit cdu 41 ttiin ciiu 50) ca;li;';; o""rra'i?t" co li cHrcooH, czHsoH, ceHsoH, ctcH2-cooH. Thir tq c6c chat tr6n theo chi6u gi6m dAn tinh axit (tir tr6Li qua phai) le A. C2H5OH, Cugrbff, CgrCOOft, CICH2-COOH. ts. CH3COOH, CICHz-COOH, C6H5OH, C'H5OH' c. clcF{2-cooH, cH3cooH, ceHsOH' CzHsOH. D. C2H5OH' C6H5OH, CICH2-COOH, CH3COOH' Ciw 422 Cho glixerol phan irng esie ho6 vdi axit axetic. 35 este t6i da c6 th6 tao ra li A.3. 8.4. c. 1. B' 5' Ce;l:, Ho. p chAt X chira vdng benzen c6 cong thirc ph6n lir CeHsO2. niet X ldm rnAt niau dtrng dich Br:. t6c dulg v6i NaHCOr. SO aOng phAn cA' t4o cira X thoi mdn c6c tinh chAt tr6n ld A.6. ts. 3. c. 5. 8.4' C.35 gam. D.30 gam. www.VNMATH.com www.VNMATH.com 20/2/2012 c6ur .$4: Tr6n 3 dLrng dich H2so4 0,1M; Htio, 0,i;;ff6r-o]sM-uo'i nhlmg th,3 tich,bing nhatr thu dr'Lo. c dung dlch i. iav-ioo;i il; ii"t, x cho ptran iLng v6'i V lit dung dich Y g6m NaoH 0,2M vd KoH 0'29M thu dusc dLrng cilch Z c6 pF-:2. Gi tri V ld A. 0,134. B. 0,414. c'p,424' D' 0',214' CAu 45; Cho isopren tac dpng v6i FIBr theo ti le I : 1 ve sii mol, thi t6ng s6 d6ng phan cAu @o c6 thii tiru dugc la A.7. B. 6. c' 4' D' 5' cau +e : Trong c6c chAt ,uu' Cu, Mg, Al, hqp kim Al-Cu, ch6t khi t6c dpng vdi dung dich HzSo+ lodng giai ph6ng bot khi H2 mQnh nhat le A. Al. B. HSP kim Al-Cu C' Mg' D' Cu' c6u 4j:Hoi ran 4,0 gam nd';il*d* re va tim lo4i X (ho6 tri II, dringtru6chidro trong 95y diQn ho5) bing dung dich HCI du, thu dugc 2,24litkhi H;cai.r"j. oa'rtod tan 2,4 gamX ili can dung chua cliln 250m1dung dich HCI lM. X ld kim 1o4i niro dr-r6'i dAy ? A. Ca. B'Mg' C' Ba' D'Zn' Ciu 48: Dung CO khir. hoin toin 2,88 gam h5n hqp X eOrn 19,-1eO ,.Fe2O3 thu dugc 2,24 gam chAt rin' M?t kh6c ac hoa tan 2,8g gu* f "a" Jt "g "* div6i t00mi dung dich HCl, ktSt thfic thi nghiQm thu duo. c 224m1khi (dktc)' . N6ng d0 mol/l cita dung dich HCI ln A. lM. B. o,5M. c' 1,6M' D' 0',8M' ca. +g, Han hqp X g6m HCOOH vi cHrcooH trQn theo ti l0 mol 1 : 1. Cho 10,6 gam h6n ho.'p X t6c dpng v61 l l,5 gam c2H5oH (cE rtzso+ ddc ldm xric tac) thu dugc m gam este (hiQu suAt phan ring este ho6 it4t 80%)' Gi6 tri cira m lA A. 14,08. B. 16,2. ' 17,6' cau so: rtri nghiQm niro sau day chi c6 kiit tira hoflc chi c6 khi bay ra ? A. Cho SOz vio dung dich BaClz C. Cho dung clich HiSOo phAn tlng v6'i dung dich Ba(HCO:)z B. Theo chucrng trinh Ning cao (10 cdtt, tt'r cfru 5l ctdn cfiu 60) Fet* Cdu 51: Cho thfr tu c6c c{p oxi hoA - khil trong ddy cliQn ho6: Fe Nhdn dinh nAo du6'i ddY khbng dirng ? A. Cu c6 khd ndng tan irong dirng dich FeCl:. B. Ag c6 kh6 ndng tan trong dung dich FeCl;' c. Fe c6 khd ndng * troniaunial"n Fecl3. g: f"_:: khindng tan trong dung dioh cuclz. cAu 52: Khi clo hoa pVC it ,, 6,*. " ,i6t toai to" cllrin chta63;96{octo vc thoi luo.ng, trung binh 1 phan tir clo phin irng v6{ k mit xich trong mach PVC. GiA tri cira k ld A.4 8.3 c' 1 D'2 cau 53: cho m gam Fe ph6n ri'ng vi'a h6t v6'i HzSO+ dugc khi X (san pharn khu.duy nhat) vd 8,28 gam m,6i' Bitit ;t;;;;;;;;7;i,ar;;6[of d,so* ct6 ph6n irng vn khi X kh6ng phao t'ng dusc vdi dung dich cuSoa' Gi6 tri ctra m lir A,.2,52 gam. F 2,25 gam. C'2,32 gam' D' 3'05 gam' .t. cau 54: Trong c6c c{p p1ranitn?r^;;4" lLrong Fe c6 cirng kilh thu6'c vir duo-c lAy bing 'hau thi cdp ndo c6 toc dQ ph6n irng l6n nhdt ? ' A. Fe * lut1g dich HCl 0,3M cl' B' Fe + dung dich HCl 9'-tV 9o C. r" * dunE ai"n Hct o,zu au D. Fe + dung d[ch Hclza% dtr (D: 1,2 gamlml) Ciu 55: Cho c6c chat: etyl axetat, etanol, axit acrylic, phenol, anilin, phenyt amoniclorua, ancol benzylic, p-crezol' Trong c6c ch6t tr6n, s6 chAt tAc clung v6'i dung dich NaOH lA A.3. B. 4. c' 6' D' 5' ciu 56: Dung dich axit fomic 0,460h (D = 1 g/ml) c6 gi6 trl pH: 3. D0 dipn li (u) cira HCOOH c6 gi6 tri ndo c1u6'i ddy ? n ,n( A.3%. 8.4,60A- c' l%' D' i0%' CAu 57: Hdn ho.p X c6 Zeste don ch(rc lir ddng phAn "1,? lhuu: Cho.5,7 gam h5n h9f X t6c dt'rng "{" -h,t: v.6i 100m1 dung clfch NaoH o,sr"r trr" att* rrarl rr-op y co "nai ancoi bdn, cirng s5 nguy€n tir cacbon trong phan tiI. Y kct ho'p vLra triit vOi it hon 0,06 gam Hz. COng thirc hai este li A. C2H3COOCTH7 vd-CrHrCbOCrHr. B' C2H3COOCTHz vi CzH:COOCTHs' C.CrHrCOOCrHruaCrUrCOOCrttr'D'C3H5COOC:HIviC3HTCOOCaH5' CAu 58: N'ng m e"* G;r'ti;* tit tltt.", arro. " 3,0 gam h6n hqp ch6t rin X. Hoi tan h6t h6n h-op X trong dung dfch Hl lo3 (du), tho6t ra 0,56 lit khi No (td sdn pttA. tit,'riuy nh6t, ao o aicu ki€n ti€u chuAn). Gi6 tri cira m lit L.4,20. F 2,52. c' 2,80' D'2'24' Cdu 59: To visco diro.'c diAu chti ttr xenlulozo thuOc loai ;. ;,6"*;; B. to thi6n nliicn' q' torhdn tlo' ^ D: To h6a hsc' C6u 60: Dung dich X chfia a mol ca(oH). cho dung dich X hap tiri o,oo mol coz duo. c 2b mol ki5t tita, nliLrng n€Lt dirng 0,08 mol co2 ,hi ,t u du.o-c b -ot tet tira. Gi6 trl cira a vd b ld i A. 0,05 vd 0,02 il. o,oa vd 0,04 c' 0,08 va 0,05 D' 0'06 vi 0'02 D.12,96. B. Cho Mg vAo dung dlch NaHSO+ D. Cho Ba vdo dung dich NaHCO3 cut* Fe'* Ag* ' Fb'z.' Ag Fe www.VNMATH.com www.VNMATH.com . 1,680lft 20 ,W+fr1 ?nu DAI l{qc LAN rr{tt H }t.q.M 20 12 naon noa HQC Thdi gian ldmbdi: 90 pltrit D .28 . c.0,6' 12 lit D.0,112Lit Ciu 6: Cho phuong trinh sau: : C6HsCH:CH2+KMnoa*H2So4-}C6H5CooH+Coz+MnSo++KzSo4+HzO ^A. cira m lit L.4 ,20 . F 2, 52. c' 2, 80' D&apos ;2& apos ;24 ' Cdu 59: To visco diro.'c diAu chti ttr xenlulozo thuOc loai ;. ;,6"*;; B. to thi6 n nliicn'. 3. c. 5. 8.4' C.35 gam. D.30 gam. www.VNMATH.com www.VNMATH.com 20 /2/ 20 12 c6ur .$4: Tr6n 3 dLrng dich H2so4 0,1M; Htio, 0,i;;ff6r-o]sM-uo'i nhlmg th,3 tich,bing nhatr