s(, (;1.\{ ) l)tic !"\ }) \{) TAo II,\ NOI Caul(l.l-5didnr) Din khi clo vao nrrdc lir duoc nu6c clo. Theo lrr(tng h,-li hoc '? KV'nrrt'li.rdhi stNu vAo L6p to T rrthtg T II PT tI a |i oi"A trtste rdant Nam hoc: 2001-2002 tvl6n thi: t{od hgc Nsiy thi: 22-6-2001 enl l-lay giii thfch vi chdLrg rninh cho c0u tri liri ci:r ern. Cau2(l.5didm) N{uoi NrCll cd lin cic tap chir li Na,SO., , NlgCl, , CaCl, vi lriy' cich linr dd l,rrri b6 cric rup chnr ra k-h,ii rnuOi Nacl. viet cic .riy ra, rrirr cd. C'du 3 ( 1.25 diinr) Trong gi'i thtrc hinh hod hoc, em nh{n drrgc rn0t luorrg h6n hgp bot cdc kim loai: sit, tthOnr, ddng._Bang cdch nio em c6 thd xric dinh duoc thinh phdri phdn tram theo kh6i lrrorrg cil rrr6i kinr loqi trong h6n hop ( trinh biy c:ich lirn,vigt cic phuorrg tril6 hod hoc ) 'l ljijr ciic hoi chdt vi dung cu rhi nghi€rn cdn thi€i li c6 di. Cau 1t2.il diinr) 'l-r0rr hri dia cin o vi tri cin birrg c6 hai cdc thuy tinh. Ir,l6i coc dung l00g durrg dich ll('l 2)'h. Tlrdnr vio cdc thri rrhdi 20g b0t CaCOr. Ern cdn phii rhern vio cdc rhri lrai bao ttltic^tt girrtt bot lrlgCO, dd khi c:ic phin fng hod'hoc k€'r rlifc rhi lrai dia cirr vln cr vi rri cAn bang'l Ca=40, Mg= 24, C=12, O=16. Cdu 5 (2.t) diirn) 'frOrt 2,5 lit kh( oxy (du) vio 0,5 lft h6n hop khi gdrn c6 mdt hidrocacbon va khf cachotric. DOr h6rr lro.p khi. Slu khi phin rhg chdy ket rhric, rrgubi ra thu drruc 1,6 lfr hoi rttltic; l,3 lftkhicacborticvhcbn .rmOtchatkhicdthdrichli0,5 lit.Cicthtirfchl,hivi lrui clo cirng diilu ki€n nhiCt d6 vi 6p suat. Enr hiy: a) Tirn cOng thfc phln tir cria hidrocacbon. b) Vidt c0ng thfc cAu tao cfia hidrocacbon. Cdu 6 (2.0 didm) H6n ho. p khf A gdm c6 har hidrocacbon. Em c6 thd xic dinh drrcre hicnnoeacbon nao c6 trong h6n hop A theo sd li€u cfia rn6i thf nghiQrn sau: o TN I : Hdn hop khi A c6 ti kh6i d6i vdi khi hidro li I l. ' TN 2 : Dot chdy I lit h6n hop khi A ngubi ta thu duo. c | ,6 lit khi cacbolic. o TN 3 : D6t chdy I lit h6n hcrp khi A ngudi ta thu duo. c 1,4 lit hoi nudc. o TN 4 : Ddt chiy I lit hOn hqp khi A cdn 2,3 lit khi oxi vi thu duoc 1,6 lir khi cucbonic. cic thd tich khi vi hoi duo. c do cing didu nhiQt d0 vi 6p su{t. C=|2, H=l . H9 vI t6n Thf sinh: . So b6o danh: var li hay Lien CaSOu . Em hiy rrinh phrrcrng trinh phirr rrng . L6p to T rrthtg T II PT tI a |i oi"A trtste rdant Nam hoc: 2001-2002 tvl6n thi: t{od hgc Nsiy thi: 22-6-2001 enl l-lay giii thfch vi chdLrg rninh cho c0u tri liri ci:r ern. Cau2(l.5didm) N{uoi. h6n hgp bot cdc kim loai: sit, tthOnr, ddng._Bang cdch nio em c6 thd xric dinh duoc thinh phdri phdn tram theo kh6i lrrorrg cil rrr6i kinr loqi trong h6n hop ( trinh biy. cic phuorrg tril6 hod hoc ) 'l ljijr ciic hoi chdt vi dung cu rhi nghi€rn cdn thi i li c6 di. Cau 1t2.il diinr) 'l-r0rr hri dia cin o vi tri cin birrg c6 hai cdc