BAI TAP PHU DAO HOA 10

Trng THPT Anh Sn I

Ti liu n tp Ho hc 10

BI TP CHNG HALOGENDng I: Vit PTHHCu 1: Vit cc phng trnh phn ng xy ra (nu c) khi ln lt cho cc cht sau tc dng

vi Clo, Br2, I2:a) K, Na, Rb, Mg, Ba, Al, Fe, Ca, Zn, Cu, H2, H2O. b) KOH( t0 thng), KOH( 1000C), NaOH, Ca(OH)2, KBr, NaBr, NaI, KI, MgBr2, CaBr2,

BaBr2 Cu 2: Vit cc phng trnh phn ng xy ra (nu c) khi ln lt cho cc cht sau tc dng vi HCl, HBr:a) K, Na, Rb, Mg, Ba, Al, Fe, Ca, Zn, Cu, H2. b) K2O, Na2O, Rb2O, MgO, BaO, Al2O3, Fe2O3, CaO, ZnO, FeO, CuO c) K2CO3, Na2CO3, Rb2CO3, MgCO3, BaCO3, CaCO3, AgNO3 d) KOH, NaOH, Mg(OH)2, Ba(OH)2, Al(OH)3, Fe(OH)2, Ca(OH)2, Zn(OH)2, Cu(OH)2 e) MnO2, KMnO4, K2Cr2O7

Cu 3: Vit cc phng trnh phn ng xy ra cho cc s sau:a) HCl Cl2 FeCl3 NaCl HCl CuCl2 AgCl b) KMnO4Cl2HCl FeCl3 AgCl Cl2Br2I2ZnI2 Zn(OH)2 c) KCl Cl2KClOKClO3KClO4KClKNO3 d) Cl2KClO3KCl Cl2Ca(ClO)2CaCl2Cl2O2 e) KMnO4 Cl2 KClO3 KCl Cl2 HCl FeCl2 FeCl3 Fe(OH)3 f) CaCl2 NaCl HCl Cl2 CaOCl2 CaCO3 CaCl2 NaCl NaClO g) KI I2 HI HCl KCl Cl2 HCLO O2 Cl2 Br2 I2 h) KMnO4 Cl2 HCl FeCl2 AgCl Ag i) HCl Cl2 FeCl3 Fe(OH)3 Fe2(SO4)3 j) j)HCl Cl2 NaCl HCl CuCl2 AgCl Ag k) MnO2 Cl2 KClO3 KCl HCl Cl2 Clorua vi

Cu 4: Vit cc phng trnh phn ng xy ra (nu c) khi ln lt cho cc cp cht sau tc dng vi nhau: a) NaCl + ZnBr2 b) KCl + AgNO3 c) NaCl + I2 e) HBr + NaI f) CuSO4 + KI g) KBr + Cl2 i) AgNO3 + ZnBr2 j) Pb(NO3)2 + ZnBr2 k) KI + Cl2 m) HCl + Fe(OH)2 n) HCl + FeO o) HCl + CaCO3 Page 1

Hc k II Nm hc 2010 2011

Trng THPT Anh Sn I d) KF + AgNO3 phn ng xy ra. Dng 2: Nhn bit: Nhn bit cc l mt nhn ng cc dung dch sau: 1) Khng gii hn thuc th a) KOH, NaCl, HCl c) NaOH, NaCl, HCl, NaNO3, KI e) NaOH, HCl, MgBr2, I2, h tinh bt 2) Ch dng 1 thuc th a) KI, NaCl, HNO3 c) CaI2, AgNO3, Hg(NO3)2, HI 3)Khng dng thm thuc th a) KOH, CuCl2, HCl, ZnBr2 c) KOH, KCl, CuSO4, AgNO3 h) HBr + NaOH

Ti liu n tp Ho hc 10 l) KBr + I2 p) HCl + K2SO3

Cu 5: Sc kh Cl2 qua dung dch Na2CO3 thy c kh CO2 thot ra. Hy vit PTHH ca cc

b) KOH, NaCl, HCl, NaNO3 d) NaOH, NaCl, CuSO4, AgNO3 f) NaOH, HCl, CuSO4, HI, HNO3 b) KBr, ZnI2, HCl, Mg(NO3)2 d) KI, NaCl, Mg(NO3)2, HgCl2 b) NaOH, HCl, Cu(NO3)2, AlCl3 d) HgCl2, KI, AgNO3, Na2CO3

Dng 3: Tnh ton theo phng trnh ha hcCu 1: Ho tan hon ton 6 gam CuO vo lng va 400 ml dung dch HCl a) Vit cc phng trnh phn ng xy ra ? b) Tnh nng mol dung dch axit dng ?

c) Tnh khi lng mui to thnh sau phn ng?Cu 2: Cho 1,96 gam bt Fe vo 100 ml dung dch CuCl2

a) Vit phng trnh phn ng ?b) b Tnh nng mol dung dch CuCl2 dng ? c) Tnh nng mol/l ca cht trong dung dch sau phn ng (coi nh th tch dung dch

khng thay i).Cu 3: Ho tan hon ton 8 gam Fe2O3 bng dung dch HCl 0,5M (ktc). a) Tnh khi lng mui thu c ? b) Tnh th tch dung dch axit dng ?

Hc k II Nm hc 2010 2011

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Trng THPT Anh Sn I


c) Tnh nng mol/l ca cht trong dung dch sau phn ng (coi V dung dch thay i

khng ng k).Cu 4: Cho V ml dung dch HCl 1,4 M phn ng vi 16 gam CuO thu c dung dch A. Xc

nh:a) Th tch dung dch axit dng ?

b) Khi lng v nng mol/lit cht trong dung dch A .Cu 5: Ho tan hon ton 53,36 gam Fe3O4 bng dung dch HCl 0,5M. a) Tnh khi lng mui thu c ? b) Tnh th tch dung dch axit dng ? c) Tnh nng mol/l ca cc cht trong dung dch sau phn ng (coi th tch dung dch

thay i khng ng k).Cu 6: Cho 6,05 gam hn hp gm Zn v Al tc dng va vi m gam dung dch HCl 10%

c cn dung dch sau phn ng thu c 13,15 gam mui khan. Tm gi tr ca m.Cu 7: Cho 2,24 gam st tc dng vi dung dch HCl d. Kh sinh ra cho qua ng ng 4,2

gam CuO c un nng. Xc nh khi lng ca cht rn trong ng sau phn ng.Cu 8: Nhng thanh km c khi lng 30 gam vo 100 ml dung dch AgNO3 0,1M. Phn ng

kt thc, ly thanh km ra ra nh, sy kh cn nng m gam. Tnh khi lng km tan vo dung dch v gi tr m ?Cu 9: Cho 2,6 gam bt km vo 100 ml dung dch CuCl2 0,75M. Lc k cho n khi phn ng

kt thc. Xc nh s mol ca cc cht trong dung dch thu c. Cu 10: t chy nhm trong kh clo, nu thu c 13,35 gam nhm clorua. Tm khi lng nhm v th tch kh clo cn dng.Cu 11:

200 gam dung dch AgNO3 8,5% tc dng va 150ml dung dch HCl. Tm Cho 5,4 gam nhm tc dng vi dung dch HCl th th tch kh hiro sinh ra Trong phng th nghim c cc ha cht: CaO, H2O, MnO2, axit H2SO4 70%

nng mol ca dung dch HCl.Cu 12:

ktc l bao nhiu ?Cu 13:

(D=1,61g/cm3) v NaCl. Hi cn phi dng nhng cht g v vi lng cht l bao nhiu iu ch 254 gam clorua vi ? Dng 4: Tnh ton theo phng trnh ha hc (bi ton lng d)

Hc k II Nm hc 2010 2011

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Trng THPT Anh Sn I


Cu 1: Cho 500 ml dung dch HCl 1,4 M phn ng vi 16 gam CuO thu c dung dch A.

Xc nh khi lng v nng mol/lit mi cht trong dung dch A.Cu 2: Cho 500 ml dung dch NaOH 1,8 M phn ng vi 500 ml dung dch FeCl3 0,8 M thu

c dung dch A v cht rn B. Xc nh khi lng cht rn B v nng mol/lit mi cht trong dung dch A.Cu 3: Cho 1,96 gam bt Fe vo 100 ml dung dch CuCl2 10% (d=1,12g/ml).

a) Vit phng trnh phn ng ?b) Tnh nng mol/l ca cht trong dung dch sau phn ng (coi th tch dung dch thay

i khng ng k).Cu 4: Cho 69,6 gam MnO2 tc dng vi dung dch HCl c, d. Dn kh thot ra i vo

500ml dung dch NaOH 4M ( nhit thng). a) Vit phng trnh ho hc ca cc phn ng xy ra.b) Xc nh nng mol ca nhng cht c trong dung dch sau phn ng (th tch dung

dch thay i khng ng k).Cu 5: dung dch cha 1 gam HBr vo dung dch cha 1 gam NaOH. Nhng giy qu tm

vo dung dch thu c th giy qu tm chuyn sang mu no ? V sao ?Cu 6: Tnh khi lng HCl b oxi ho bi MnO2, bit rng kh Cl2 sinh ra trong phn ng

c th y c 12,7 gam I2 t dung dch NaI.Cu 7: Cho 50 gam dung dch HCl tc dng dung dch NaHCO3 d thu c 2,24 lit kh

ktc. Tm nng phn trm ca dung dch HCl dng ?Cu 8: Trn 50 ml dung dch HCl 0,12M vi 50 ml dung dch NaOH 0,1M. Tm nng mol

cc cht trong dung dch thu c.Cu 9: Trn 300 ml dung dch HCl 0,05M vi 200 ml dung dch NaOH a mol/l. Tm nng

mol cc cht trong dung dch thu c.Cu 10:

200ml dung dch HCl 0,5M vo 500ml dung dch Ca(OH)2 0,2M. Nhng giy Cho 300ml mt dung dch c ha tan 5,85 gam NaCl tc dng vi 200ml dung

qu tm vo dung dch thu c th giy qu chuyn sang mu no ?Cu 11:

dch c ha tan 34 gam AgNO3. Tm khi lng kt ta thu c. Dng 3: Xc nh tn

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Trng THPT Anh Sn I


Cu 1: Cho 4,8 gam 1 kim loi R thuc nhm IIA tc dng ht vi dung dch HCl, thu c 4,48 lt kh hiro (kc). a) Vit phng trnh ha hc ca phn ng xy ra v tnh s mol hiro thu c. b) Xc nh tn kim loi R. c) Tnh khi lng mui clorua khan thu c.Cu 2: Cho 0,9 gam mt kim loi nhm IIA tc dng vi dung dch HCl to ra 2,24 lt kh

hiro ( ktc). Xc nh tn kim loi. Cu 3: Cho 7,8 gam kim loi nhm IA tc dng vi HCl th thy c 2,24 lt kh thot ra (ktc). Xc nh tn kim loi. Cu 4: Khi cho 1,2 gam mt kim loi nhm IIA tc dng vi dung dch HCl to ra 1,12 lt kh hiro ( ktc). Xc nh tn kim loi.Cu 5: A l kim loi thuc nhm IIA. Ly 4,8 g A tc dng vi dung dch HX thu c 0,4 g

kh. Tm tn ACu 6: Khi cho 3,33 gam mt kim loi kim tc dng vi HCl th c 0,48 gam kh hidro thot

ra. Cho bit tn kim loi kim .Cu 7: Cho 4,8 gam mt kim loi A thuc nhm IIA vo 200 gam dung dch HCl 20% th thu

c 4,48 lt kh (ktc). a) Xc nh tn kim loi A. b) Tnh nng % cc cht trong dung dch thu c sau phn ng.Cu 8: Cho 10,8 gam mt kim loi R nhm IIIA tc dng ht 500 ml dung dch HCl thu

c 13,44 lit kh (ktc). a) Xc nh tn kim loi R. b) Tm nng mol/l dung dch HCl cn dng.Cu 9: Cho 1,365 gam mt kim loi kim X tan ht trong dung dch HCl thu c dung dch

c khi lng ln hn dung dch HCl dng l 1,33 gam. Tm tn X.Cu 10:

Khi cho m gam kim loi Canxi tc dng hon ton vi 17,92 lit kh X2 (ktc) th

thu c 88,8 gam mui halogenua. a) Vit PTP dng tng qut.b) Xc nh cng thc cht kh X2 dng.

c) Tnh gi tr m.Cu 11:

ho tan hon ton 8,1 gam mt kim loi thuc nhm IIIA cn dng 450 ml

dung dch HCl 2,0M, thu c dung dch A v V lit kh H2 (ktc). Hc k II Nm hc 2010 2011 Page 5

Trng THPT Anh Sn I


a) Xc nh nguyn t khi ca kim loi trn, cho bit tn ca kim loi . b) Tnh gi tr V.c) Tnh CM ca dung dch A, xem nh th tch dung dch thay i khng ng k. Cu 12:

Ha tan 4,25 gam 1 mui halogen ca kim loi kim vo dung dch AgNO3 d thu Cho mt lng n cht halogen tc dng ht vi magie thu c 19g magie

c 14,35 gam kt ta. CT ca mui l g ?Cu 13:

halogenua. Cng lng n cht halogen tc dng ht vi nhm to ra 17,8g nhm halogenua. Xc nh tn halogen trn. Cu 14: X l nguyn t thuc nhm halogen. Oxit cao nht cha 38,79% X v khi lng. Tm tn X.Cu 15:

Cho 8 gam oxit kim loi R nhm IIA tc dng hon ton vi 800 ml dung dch

HCl 0,5M.. a) Xc nh tn kim loi R. b) Tnh khi lng mui to thnh.Cu 16:

trung ha ht 16 gam mt hiroxit ca mt kim loi nhm IA cn dng ht Oxit cao nht ca nguyn t R c dng R2O7. Hp cht kh ca n vi Hidro cha

500 ml dung dch HCl 0,8M. Tm cng thc ca hiroxit trn.Cu 17:

2,74% hidro v khi lng. a) Tm tn R. b) Nu cho 0,25 mol n cht ca R tc dng vi hidro (va ) thu c hp cht kh. Ha tan kh ny vo nc thu c 200 g dung dch axit. Tnh C% ca dung dch axit ny.Cu 18:

Cho 6,2 gam hn hp 2 kim loi A, B thuc nhm IA tc dng hon ton vi H2O Ha tan 174 gam hn hp 2 mui cacbonat v sunfit ca cng mt kim loa kim

thu c 2,24 lt (ktc). Xc nh A, B. Bit A, B thuc 2 chu k lin tip.Cu 19:

vo dung dch HCl d. Ton b kh thot ra c hp th ti thiu bi 500 ml dung dch KOH 3 M. Tm tn kim lai kim.Cu 20:

Cho 2,12 gam mui cacbonat mt kim loi ha tr I tc dng vi dung dch HCl

d to ra 448 ml kh ( ktc). Tm CT ca mui. Cu 21: Cho mt mui kim loi halogenua cha bit ha tr vo nc c dung dch X -Nu ly 250ml dung dch X( cha 27 gam mui) cho vo AgNO3 d th thu c 57,4 gam kt ta -Mt khc in phn dung dch X trn th c 6,4 gam kim loi bm catot Hc k II Nm hc 2010 2011 Page 6

Trng THPT Anh Sn I Xc nh cng thc muiCu 22:


Cho a gam 1 mui c cu to t mt kim loi M c ha tr 2 v mt halogen X

vo nc ri chia dung dch lm 2 phn bng nhau: -Phn 1: cho tc dng vi dung dch AgNO3 d th thu c 5,74 gam kt ta -Phn 2: B 1 thanh kim loi st vo. Sau khi phn ng kt thc th khi lng st tng thm 0,16 gam. a) Xc nh cng thc mui ban ub) Tnh khi lng a gam mui dng. Cu 23:

Cho 1,2 gam kim loi R c ha tr khng i cn va 200 gam dung dch HCl

a% thu c 201,1 gam dung dch Aa) Xc nh tn kim loi R b) Tnh a v C % cc cht tan trong dung dch A. Cu 24:

Cho 7,3 gam kh hidroclorua vo 92,7 ml nc c dung dch axit A.

)a Tnh C% ; CM ca dung dch A thu c . )b Tnh khi lng dung dch H2SO4 98% v mui NaCl cn iu ch lng kh hidroclorua trn. )c Dung dch axit A thu c cho ht vo 160 gam dung dch NaOH 10%. Dung dch thu c c tnh cht g ? (axit, baz, trung ha). Tnh C% cc cht trong dung dch sau phn ng. )d Tnh th tch dung dch AgNO3 0,5M cn tc dng va vi 10 gam dung dch axit A trn.Cu 25:

Ha tan hon ton 1,7 gam hn hp X gm Zn v kim loi A nhm IIA vo

dung dch Axit HCl thu c 0,672 lit kh H2 ( ktc ). Mt khc nu ha tan ht 1,9 gam A th dng khng ht 200 ml dung dch HCl 0,5M. Tm tn A. Dng 4: Bi ton hn hpCu 1: Cho 16 gam hn hp X gm Fe v Mg tc dng hon ton vi dung dch HCl th thu

c 8,96 lit kh ktc. Xc nh khi lng mi kim loi trong hn hp X.Cu 2: Cho 0,56 gam hn hp A gm Mg v Cu tc dng vi dung dch HCl d .Sau phn ng

thu c 224ml kh H2 kc. a) Vit phng trnh phn ng v xc nh vai tr ca tng cht trong phn ng Hc k II Nm hc 2010 2011 Page 7

Trng THPT Anh Sn I


b) Tnh thnh phn % ca tng kim loi trong hn hp ban uCu 3: ha tan hon ton hn hp gm Zn v ZnO ngi ta phi dung va ht 600 ml dung

dch HCl 1M v thu c 0,2mol kh H2 . a) Vit phng trnh phn ng xy ra, cho bit phn ng no l phn ng oxh-kh. b) Xc nh khi lng ca Zn v ZnO trong hn hp ban u.Cu 4: Ho tan 10 gam hn hp bt Fe v Fe2O3 bng mt lng dung dch HCl va , thu

c 1,12 l hidro (ktc) v dung dch X. Cho dung dch X tc dng vi dung dch NaOH ly d. Ly kt ta thu c em nung trong khng kh n khi lng khng i thu c cht rn Y. Tm khi lng cht rn Y.Cu 5: Ho tan 28,8 gam hn hp bt Fe2O3 v Cu bng dung dch HCl d(khng c oxi), n

khi phn ng hon ton cn 6,4 gam Cu khng tan. Tm khi lng Fe2O3 v Cu trong hn hp ban u.Cu 6: Cho hn hp gm 3 kim loi A, B, C c khi lng l 2,17 gam tc dng ht vi dung

dch HCl to ra 1,68 lt H2 ktc. Tm khi lng mui clorua trong dung dch sau phn ng.Cu 7: Cho 14,4 gam hn hp X gm Cu v CuO tc dng va vi 500 ml dung dch HCl

0,4M. Xc nh khi lng mi cht trong hn hp X. Cu 8: Ho tan hon ton 1,36 gam hn hp CaO v CuO vo lng va 400ml dung dch HCl 0,1Ma) Tnh thnh phn % khi lng mi cht trong hn hp ? b) Tnh khi lng cc mui to thnh sau phn ng ? Cu 9: Ho tan hon ton 8 gam hn hp Fe v Fe2O3 bng dung dch HCl 10% (d=1,1 g/ml)

sau phn ng thu c 2,24 lit H2 (ktc). a) Tnh thnh phn % khi lng cc cht trong hn hp?b) Tnh nng mol/l ca cc cht trong dung dch sau phn ng (coi th tch dung dch

thay i khng ng k).Cu 10:

Ha tan ht m gam hn hp A gm c Fe v mt kim loi M bng dung dch HCl

thu c 1,008 lit H2 ( ktc ) v dung dch B. C cn B thu c 4,575 gam hn hp mui khan. Tm gi tr ca m.Cu 11:

Ha tan hon ton 2,175 gam hn hp gm 3 kim loi : Zn, Mg, Fe vo dung

dch HCl d thy thot ra 1,344 lit kh H2 (ktc). C cn dung dch thu c sau phn ng th c m gam mui khan. Gi tr ca m l bao nhu ? Hc k II Nm hc 2010 2011 Page 8

Trng THPT Anh Sn I


BI TP CHNG OXI LU HUNHCu 1: Vit cc phn ng xy ra khi cho Fe, FeO, Fe3O4, Fe2O3 ln lt tc dng vi dung dch

H2SO4 long v dung dch H2SO4 c nng. Cu 2: Hon thnh cc phn ng theo s sau :a) KMnO4 O2 CO2 CaCO3 CaCl2 Ca(NO3)2 O2 O3 I2 KI I2 S

H2S H2SO4b) KClO3 O2 H2O O2 SO2 H2SO3 SO2 S NO2 HNO3 KNO3 O2

H2O2 KNO3c) FeS2 SO2 SO3 H2SO4 SO2 H2SO4 CuSO4Cu FeCl2

FeCl3FeCl2FeFeCl3Fe(NO3)3d) FeS H2S S SO2 NaHSO3 Na2SO3 NaHSO3 SO2 Na2SO3

Na2SO4 NaCl NaOHe) So S-2 So

S+4 S+6 S+4

So

Cu 3: Bng phng php ha hc Nhn bit cc kh mt nhn sau: a) H2S, O3, Cl2 a). HCl, NaCl, NaOH, CuSO4 c) HCl, H2S, H2SO3, H2SO4 b) SO2, O2, Cl2 b). NaCl, NaBr, NaNO3, HCl, HNO3 d) NaCl, NaBr, NaI, HCl, H2SO4, NaOH f) K2SO4, K2SO3, KCl, KNO3 Cu 4: Bng phng php ha hc Nhn bit cc dung dch mt nhn sau:

e) KCl, NaNO3, Ba(OH)2, Na2SO4, H2SO4, HCl a). NaCl, KBr, NaI, KF c) NaCl, Na2SO4, H2SO4, BaCl2, K2CO3

Cu 5: Dng mt thuc th nhn bit cc dung dch sau : b). Na2CO3, NaCl, CaCl2, AgNO3

Cu 6: Khng dng thuc th hy nhn bit cc dung dch mt nhn sau:

a) NaCl, K2CO3, Na2SO4, Ba(NO3 )2, HCl

b) H2O, HCl, NaCl, Na2CO3

Cu 7: T NaCl, Fe, SO2, H2O v cc cht ph khc iu ch FeCl2, FeCl3, FeSO4, Fe(SO4)3 Cu 8: Trn 2 lt dung dch H2SO4 4M vo vo 1 lt dung dch H2SO4 0,5M. Tnh nng mol/l

ca dung dch H2SO4 thu c ?Cu 9: Cn dng bao nhiu ml dung dch H2SO4 2M pha trn vi 500ml dung dch H2SO4 1M

c dung dch H2SO4 1,2 M ?Cu 10:

Trn 2 th tch dung dch H2SO4 0,2M vi 3 th tch dung dch H2SO4 0,5M th

c dung dch H2SO4 c nng a (M). Tnh a. Hc k II Nm hc 2010 2011 Page 9

Trng THPT Anh Sn ICu 11:


Cn dng bao nhiu ml dung dch H2SO4 2,5M v bao nhiu ml dung dch HCl Cho 200 ml dung dch cha ng thi HCl 1M v H2SO4 0,5M. Tnh th tch dung

1M khi pha trn c 600 ml dung dch H2SO4 1,5 M ?Cu 12:

dch cha ng thi NaOH 1M v Ba(OH)2 2M cn ly trung ho va dung dch axit cho.Cu 13:

em 200 gam dung dch HCl v H2SO4 tc dng vi dung dch BaCl2 d tao ra

46,6 gam kt ta v dung dch B, trung ha dung dch B cn 500 ml dung dch NaOH 1,6 M. Tnh C% ca hai axit trong dung dch u.Cu 14:

C hai dung dch H2SO4 l A v B. Bit C% ca B hn C% ca A 2,5 ln v khi

trn A vI B theo t l khI lng dung dch ln lt l 7: 3 th thu c dung dch C c C % = 29%. Tnh C% ca A, B.Cu 15:

Cho 1040 gam dung dch BaCl2 10% vo 200 gam dung dch H2SO4. Lc b kt

ta. trung ha nc lc, ngi ta phi dng 250ml dung dch NaOH 25% (D= 1,28g/ml). Tnh nng % ca H2SO4 trong dung dch u.Cu 16:

Oleum l g ? C hin tng g xy ra khi pha long oleum ? Cng thc ca Ho tan 3,38 gam oleum A vo nc, trung ha dung dch A ta cn dng 400

oleum l H2SO4.nSO3. Hy vit cng thc ca axit c trong oleum ng vi gi tr n = 1.Cu 17:

ml NaOH 0,2M.a) Xc nh cng thc ca oleum A ? b) Cn ha tan bao nhiu gam oleum A vo 500g nc c dung dch H2SO4 20%? Cu 18:

Dn 2,24 lit SO2 (ktc) vo 100 ml dung dch NaOH 3M. Tnh nng mol/l ca Cho 12,8 gam SO2 vo 250ml dung dch NaOH 1M. Tnh Khi lng mui to Hp th 1,344 lt SO2 (ktc) vo 13,95 ml dung dch KOH 28% (D=1,147g/ml). Khi t chy hon ton 8,96 lt H2S (ktc). Dn SO2 thot ra vo 50 ml dung dch Ta thu c mui g, nng bao nhiu nu cho 2,24 lt kh H2S bay vo:

Mui trong dung dch sau phn ng .Cu 19:

thnh sau phn ng .Cu 20:

Tnh C% cc cht sau phn ng.Cu 21:

NaOH 25% (d=1,28gam/ml) thu c mui g ? Nng % l bao nhiu ?Cu 22: a) 100cm3 dung dch NaOH 2M b) 100cm3 dung dch KOH 1M c) 120cm3 dung dch NaOH 1M

Hc k II Nm hc 2010 2011

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T khi ca 1 hn hp gm ozon v oxi i vi hidro bng 18. Xc nh thnh Cho 20,8 gam hn hp Cu, CuO tc dng vi H2SO4 c, nng du th thu c

phn % v th tch ca hn hp.Cu 24:

4,48 lt kh (kc). a) Tnh khi lng mi cht trong hn hp.b) Tnh khi lng dung dch H2SO4 80% dng v khi lng mui sinh ra Cu 25:

Cho 45 gam hn hp Zn v Cu tc dng va dung dch H2SO4 98% nng thu

c 15,68 lit kh SO2 (kc) a) Tnh thnh phn % khi lng mi kim loi trong hn hp.b) Tnh khi lng dung dch H2SO4 98% dng. c) Dn kh thu c trn vo 500 ml dung dch NaOH 2M. Tnh khi lng mui to

thnh.Cu 26:

Cho 1,12 gam hn hp Ag v Cu tc dng vi H2SO4 c nng du th thu c

cht kh. Cho kh ny i qua nc clo d th c mt hn hp gm 2 axit. Nu cho dung dch BaCl2 0,1M vo dung dch cha 2 axit trn th thu c 1,864 gam kt ta.a) Tnh th tch dung dch BaCl2 0,1M dng.

b) Tnh thnh phn % khi lng kim loi trong hn hp.Cu 27:

Cho 10 gam hn hp Li, Li2O vo dung dch H2SeO4 thu c 11,2lt kh (kc)

a) Vit cc phn ng xy ra.b) Tnh % theo khi lng hn hp u. c) Tnh th tch dung dch H2SeO4 0,5M cn thit. Cu 28:

Cho 9,2 gam hn hp Na2O, Li2O vo 200 gam nc, hn hp tan cho dung dch

A.a) Tnh C % ca mi cht trong dung dch A, bit s mol ca Na2O v Li2O bng nhau.

b) Hy cho bit loi lin kt c trong phn t LiOHc) trung ha 20 gam dung dch A ta cn bao nhiu cm3 dung dch 2 axit HCl 0,5M v

H2SO4 1MCu 29:

Ho tan V lt SO2 (ktc) trong H2O d. Cho nc Brm vo dung dch cho n khi

xut hin mu nc Brom, sau cho thm dung dch BaCl2 cho n d lc v lm kh kt ta th thu c 1,165 gam cht rn. Tm V .Cu 30:

Ha tan 14 gam mt kim loi c ha tr 2 vo 245 gam dung dch H2SO4 long du

th thu c 5,6lt H2 (kc). Xc nh tn kim loi v tnh C % dung dch H2SO4 s dng. Hc k II Nm hc 2010 2011 Page 11



Cho 1,44 gam kim loi X ha tr II vo 250 ml dung dch H2SO4 0,3M, X tan ht, Cho 1,84 gam hn hp Fe v Cu vo 40 gam H2SO4 c nng d thu c kh

sau ta cn 60 ml dung dch KOH 0,5M trung ha axit cn d. Xc nh kim loi X.Cu 32:

SO2. Dn ton b kh SO2 vo dung dch Brm d c dung dch A. Cho ton b dung dch A tc dng vi dung dch BaCl2 d c 8,155 gam kt ta. a) Tnh % khi lng ca mi kim loi trong hn hp u.b) Tnh C% dung dch H2SO4 lc u bit lng axit tc dng vi kim loi ch 25 % so vi

lng H2SO4 trong dung dch.Cu 33:

Cho 11,2 gam kim loi R vo 40 gam H2SO4 c nng d thu c kh SO2. Dn

ton b kh SO2 vo dung dch Brm d c dung dch A. Cho ton b dung dch A tc dng vi dung dch Ba(NO3)2 d c 69,9 gam kt ta.Xc nh R.Cu 34:

Ha tan 1,5 gam hn hp Cu, Al, Mg vo dung dch HCl du th thu c 5,6 lt

kh (kc) v phn khng tan. Cho phn khng tan vo H2SO4 c nng du th thu c 2,24 lt kh (kc). Xc nh khi lng mi kim loi trong hn hp.Cu 35:

em hn hp A gm: Ag, Cu, Zn tin hnh hai th nghim :

TN1 : 23,7 gam A tc dng dung dch HCl d thot ra 2,24 lt kh ( ktc). TN2 : 23,7 gam A tc dng dung dch H2SO4 c nng d thot ra 4,48 lt kh (ktc). Bit Ag, Cu v 1/2 lng Zn kh H2SO4 thnh SO2, phn Zn cn li kh H2SO4 thnh S. Tnh khi lng mi kim loi trong hn hp A.Cu 36:

Cho 17,6 gam hn hp gm Fe v kim loi R vo dung dch H2SO4 long d. Sau

phn ng thu c 4,48l kh (ktc) phn khng tan cho vo dung dch H2SO4 c nng th gii phng ra 2,24l kh (ktc). Tm Kim loi R .Cu 37:

T 800 tn qung pirit st (FeS2) cha 25% tp cht khng chy, c th sn xut Mt dung dch cha 3,82 gam hn hp 2 mui sunfat ca kim loi kim v kim

c bao nhiu m3 dung dch H2SO4 93% (d = 1,83 gam/ml) ? Gi thit t l hao ht l 5%.Cu 38:

loi ho tr 2, bit khi lng nguyn t ca kim loi ho tr 2 hn kim loi kim l 1vc. Thm vo dung dch mt lng BaCl2 va th thu c 6,99 gam kt ta, khi c cn dung dch thu c m gam mui. Xc nh hai kim loi v tnh m.Cu 39:

Cho 200 ml dung dch X cha ng thi HCl 1M v H2SO4 0,5M. Tnh th tch

dung dch Y cha ng thi NaOH 1M v Ba(OH)22M cn ly trung ho va dung dch X cho trn.

Hc k II Nm hc 2010 2011

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Ho tan hon ton 1,08 gam kim loi M trong H2SO4 c nng, lng kh thot ra

c hp th hon ton bi 45ml dung dch NaOH 0,2M thy to ra 0,608 gam mui. Xc nh kim loi M.Cu 41:

Khi t chy 9,7 gam mt cht th to thnh 8,1gam oxit mt kim loi ha tr II

cha 80,2% kim loi v mt cht kh c t khi i vi hidro bng 32. Kh sinh ra c th lm mt mu mt dung dch cha 16 gam Br2. Xc nh cng thc ca cht em t.Cu 42:

Ha tan 14 gam mt kim loi c ha tr 2 vo 245 gam dung dch H2SO4 long th t chy hon ton 6,8 gam mt cht th thu c 12,8 gam SO2 v 3,6 gam H2O.

thu c 5,6lt H2 (kc). Xc nh tn kim loi v tnh C % dung dch H2SO4 s dng.Cu 43:

Xc nh cng thc ca cht em t. Kh SO2 sinh ra cho i vo 50ml dung dch NaOH 25% ( d= 1,28 g/ml). Hi mui no c to thnh ? Tnh nng % ca n trong dung dch thu c.Cu 44:

Cho 13,6 gam hn hp Fe v st III oxit tc dng va vi dung dch HCl th

cn 91,25 gam dung dch HCl 20%.a) Tnh % khi lng ca Fe v Fe2O3. b) Tnh nng C% ca cc mui thu c trong dung dch sau phn ng. c) Nu cho lng hn hp trn tc dng vi H2SO4 c nng ri cho kh sinh ra tc dng

ht vi 64ml dung dch NaOH 10% ( d= 1,25) th thu c dung dch A. Tnh nng mol/l cc mui trong dung dch A. (Cho Vdung dch A =Vdung dch NaOH )

TC PHN NG CN BNG HO HCCu 1: Trong cng nghip NH3 c sn xut theo phng trnh:

N 2 (k) + 3H2 (k) 2NH3 (k)

H = 92 kj

Khi hn hp phn ng ang trng thi cn bng nhng yu t no sau y nh hng n cn bng phn ng? V nh hng nh th no ? a. Tng nhit d. Gim nhit b. Tng p sut e. Ly NH3 ra khi h c. Cho cht xc tc

Cu 2: Trong CN ngi ta iu ch NH3 theo phng trnh ho hc:

N 2 (k) + 3H2 (k) 2NH3 (k)

Khi tng nng H2 ln hai ln (gi nguyn nng ca N2 v nhit phn ng) th tc phn ng tng ln bao nhiu ln ? Hc k II Nm hc 2010 2011 Page 13

Trng THPT Anh Sn I


Cu 3: Khi nhit tng thm 100c, tc phn ng ho hc tng thm 2 ln. Hi tc phn

ng s tng ln bao nhiu ln khi nng nhit t 250c ln 750 ?Cu 4: Khi nhit tng thm 100c, tc phn ng ho hc tng thm 4 ln. Hi tc phn

ng s gim i bao nhiu ln nhit khi nhit gim t 700c xung 40 ln ?Cu 5: Cho phng trnh:

A(k) + 2B (k) C (k) + D(k)

2 Tc phn ng c tnh bng cng thc v = k [ A].[ B ] Hi tc phn ng tng ln

bao nhiu ln nu:a) Nng ca B tng ln 3 ln, nng ca A khng i b) p sut ca h tng 2 ln

(tng 9 ln) (tng 8 ln)

Cu 6: mt nhit nht nh, phn ng thun nghch: N 2 (k) + 3H2 (k) 2NH3 (k)

t trng thi cn bng khi nng ca cc cht nh sau: [H2] = 2,0 mol/lt [N2] = 0,01 mol/lt [NH3] = 0,4 mol/lt Tnh hng s cn bng nhit v nng ban u ca N2 v H2. A(k) + B(k) C(k)

Cu 7: Mt phn ng thun nghch:

+ D(k)

Ngi ta trn bn cht A, B, C, D mi cht 1 mol vo bnh kn c th tch V khng i. Khi cn bng c thit lp, lng cht C trong bnh l 1,5 mol. Hy tm k = ? Cu 8: Tnh nng cn bng ca cc cht trong phng trnh: CO(k) + H 2 O(k) CO2 (k) + H2 (k)

Nu lc u ch c CO v hi nc vi nng [CO] = 0,1M. [H2O] = 0,4 M. k = 1Cu 9: Mt bnh kn cha NH3 00c v 1 atm vi nng 1M. Nung bnh kn n 5460c v

NH3 b phn hu theo phng trnh 2NH 2 N2

+ 3H2 . Khi phn ng t ti cn

bng, p sut trong bnh l 3,3 atm. Th tch bnh khng i. tnh k = ? 5460c.

(Ti liu lu hnh ni b)

Hc k II Nm hc 2010 2011

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BAI TAP PHU DAO HOA 10

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