SC GD&ST VT}.IH P}]UC pe csaflqaa sHUc Ki qFff cE{e.I E{sG Lo? s NAM F{SC zsa3-zct.d SE TF{{ &&ON: HEA F{*C Thdi gian ldyss bdi; 150 pk*t, kh1ng ke rkui giart gicc tit E*AU I {lu3 Glerrl}" . 1. Trong ithong th{ nghi0m chi c6: B}nh chira khi COz, NaOF{ rin, nudc, den edn vA e6e cr"1e itr.r;";t gi5ng nhau eo vach do th6 tich. Trinh bay phucrng phSp diAu ch€ dung Cieh l{a:CO: (i.,te6reg !it, t'i';:it ::,,1,' ndo khdc) bdng hai c6ch kh6c nhau. . 2. hdst thi nghidm dugc b0 rri nhu hiirh vE. MG t6, vi6t cdc phgong trintrr phan img vd gi6i thich hi€n tuqng c* thd x'l"y ru trong c6c binh A, E, C khi rno' khoa K. 3. Cho 3 lc m6t ntrr6n chria 3 dung dich X, Y vd Z: dung illch X ehria h5n hqp (BaCl2 vd NaOH); dung dich Y chua h6n hqp Q.{aAlOz vd NaOH); dung dich Z cnira h5* hgp $3aCi2 vd NaCi). Chi dung khi CO2, hdy trinh bay c*c1i phic biet 3 lq dung dich ke tr€n va vi6t cdc pirucng tr^i:h phan ung. 4,A^*.i .r-"av a tr,rr.J sses??j. t nA r d1 *om. bOt sit trong khdng khf, sau rrr6t thoi gian thu dusc 2,84 gar,:ih6n hqp.X gSr:r i;. FeO, Fe2C3, Fe3Oa. D€ hoa tan h€t X cAn 500 ml dung d.icli F{NO: a (molll), ru" p^ta*'rng sinh 'tu.l.t: . NO (sdn pliAitr k-hu auy nir6t, dktc) vd dung dich Y. Tinh gi6 iri cua a vd i<lioi luqng en6t dn trcng Y. ,7 I ^ '/ Nl,rro ni oarn hnn hn'n Y oAm frry'Rlf].t. rri f-ri frnnrr mA: h;-1. l,i^ rl,!,A*- ^1 '"^ ^ ;r .'.:.," l.' :,, bq, hon hcn: X gdm Cu$iO:): vir Cu trong moi binll kin rki:ong ch.ia o>;i] "r 1 .i r ,, img hcin todn, thu duoc chAt ra" v co t hOi io*rg 1m - l,iA; gu*. Cho todn b$-*hat ran * i*,: ,)+no ,, ;', dung dich iJzSO,r t1frc, n6ng du, sau phan img th l duo'c 8,672 hr SOr (san phdm khu du-v nh€t. iik,:*;. -i i;;!.i gi6tri ciia rn" CSu 3 (n,5 di6:ra). Chia ;":5n hop X gcr':r K. Al vd Fe thanh hai phAn bing irhau. - Cho ph6n i vdo dung dich KOH (du) thu dtro.c CI,T84 trit khi i{2 . - rhn ''h4" r vd,o r:i6', iugrng du F{zO, th*; duqc 0,448 iit k?rf Hz vi n: gam c}rfit ran Y. H*;r iiili .; ii::.: dung dlch H:SC+ lofr.ng du thu dusc 0,56 lft khi Il2. Eiit cfe pitan i"tng xiry ra hoin todn vd cd.c khf do o dtr*c. Tinh kh0i 1urynE cua m6i kir:r icai rio;-:{ ,. ., ho'-p X v* gia iri e&a ni. . ,^ ^ *.i e"-au l$ (ir[F G:e:xry,," Xfc dir& ,:,ae *h'6'j."x,Y,Z,T, A, B r,a vi6t c6c phucng ainh phan tlrlg &hi rd diiu ki€n, rcaur:$ the* so dd :,:.,,. {10) & *- f as si; Buna C6u 5 {2,S di6xaa}. Chia 3,5S4 tit {dktc) h6n ho',p gdrn 3 ch6t k?x: aniian X, anken Y vd ankin ZitLiffih2 phL"r bing n:rar-:. i ,,,. 1 cho qua luerng du,Sung dich AgNO:.NH,: thAl th€ tich h6n hqp ffi giix:r- 12,5Ya vd riru ducc l"+i g*-:i r;, tua. PhSn 2 chc qua cung dich brorn Cu thAy khOi luong blah dung dich brom thr:"g2,22 gam ya ed i 3"*i ;.ir:';: brorn dd tham gia "*hin *ug. UOt cha},hod.n toin kl{ thrc6t ra khoi binh dung dichlrom t6i irae th6 :rh 1i:: ch6y vAo dung dich Ba{OF{)z du thi thu duo'c 2.955 gam ket tua. X6c dinh cdng tirfc c$.u q* cua X. Y :ri: .i. {Cho hi\r; f!: }, C : 12, C: 16, S: 32, Ns:23, Fe: 55; Cu:64; Ca:4*;.& : .,{. Mg: 24, Al : 27, K: 39; Er : 8{}; Ag: 108; Ea: }37i F{ET ilp vis t€n thi sinh:.". " ".S8 {Cdrc b$ rci {/'ti kh6ng giai tleich g} th/m, tlzi sinh kk6ng dwgc s* dryeg BTit cdc nguj,in td hoa. k,.s'.,) . .,{. Mg: 24, Al : 27, K: 39; Er : 8{}; Ag: 108; Ea: }37i F{ET ilp vis t€n thi sinh: .". " ".S8 {Cdrc b$ rci {/'ti kh6ng giai tleich g} th/m, tlzi sinh kk6ng dwgc. - l,iA; gu*. Cho todn b $-* hat ran * i*,: ,)+no ,, ;', dung dich iJzSO,r t1frc, n6ng du, sau phan img th l duo'c 8,672 hr SOr (san phdm khu du-v nh€t. iik,:*;. -i. khf do o dtr*c. Tinh kh0i 1urynE cua m6i kir:r icai rio ;-: { ,. ., ho'-p X v* gia iri e&a ni. . ,^ ^ *.i e"-au l$ (ir[F G:e:xry,," Xfc dir& ,:,ae *h'6'j."x,Y,Z,T,