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( - " 8 !# ?7512 7 5 8!/ 2 SO 3x 2y n 2 − = !# ?7512 7 5 +!%$!/ 2 SO 3x n 2 = !# ? 15 ' ,- + 4 5 ' /5 7 5 $!0 760 5 7 5 8! 3x 3x 2y 9. 2 2 − = $(N+J(M8;"+.(N8;" x 18 3 y 24 4 = = 90 ' "(N$%"N.()* >? $ - . # -( # $%& ! /=@ 343 ' /4,- . 2 / / /7512 7 5 ( "10 5 ' H4,- . → ,- . H4 ↓ 8!>?H4,- . → >?,- . H4 ↓ +! 0 1* 4%/ >?35%35#43 ' / >?,- . %,- . %/ / 4,- . 35# -@ 343 ' /2 / / /7 5 +-H>?,- . → >?-! + ↓ H + ,- . $! +-H4,- . → 4-! + ↓ H + ,- . .!+-H,- . → -! + ↓ H + ,- . E! 4 4 2 2 / / /7 5 .>?-! + H- + 0 t → +>? + - $ H. + -K! 4-! + 0 t → 4-H + -J!-! + 0 t → -H + -;! <=> +,> & ?@5A1# 50 )B( * C=D G ' ) >?%0 5 ' (%"!/ EK(H+."N$%+;! 0 1* /2 / 4K.#(H"!N.%+;! G ' 7512 " 5 ' /(N&%&E+.!@ "N&%&8.E! 5 ' < ' 7(4 5 ' /)4/ /7 5 K!%J!%;! 2 3 hh CuO MgO Fe O CuO CuO 0,0145 m m m m m 40.0,0524 160. m 3, 256 gam 2,4 gam 2 = + + = + + = + > ' ! <=> +,> &?@5A1# 5C=B( * 0 )DE ( "1/ /7 5 .!%J! F G ' ) ,- . @ >?,- . ' 5 7 5 8!%+!0 5 ' %! ?7 5 $!%E!%K!%;! 5 ' /0 1* 4 5 ' / N 2 3 MgO Fe O m m+ N.&H;&N+%.! ?7512 7 5 8!%+! 5 ' ' * K.M+.!HK.MEK!N.&H;N.%+.M$%+;N&%6K! G ' 7512 " 5 ' /NN&%&+!# D?7 5 8!+!/ ) 4,- . 4 CuSO n N&%&+H&%&+N&%&.! 90 ' " CuSO 4 M 0,04 C 0,1(M) 0,4 = = D?7 5 8!+!/ ) 4 ' 1 &%&+H&%&+N&%&.! Gia ́ o viên: Nguyê ̃ n Văn Lập trươ ̀ ng THCS số 3 Thái Niên - Bảo Thắng - Lào Cai 2 90 ' " 4 N&%&.#K.N+%EK!@0 ' " 5 ' ' 35 .%+.M+%EKN8%K;! ' 35 "7 >?35@2 7 5 +!( "1)4 5 ' / < ( "1/ &%&+>? 7 5 #90 ' " 5 ' ' 7 5 $%+;M8%K;N8%K!# 5 ' >? 0 4 8%K;H&%&+#EKN+%;! Fe 2,8 %m .100% 85,37% 3, 28 = = B N8&&BM;E%$JBN8.%K$B# .D0 1* ' 1/ &%&$>?@ &%&.4# /7 5 ( "1 +>?HK + ,- . A → >? + ,- . ! $ H$,- + ↑ HK + -6! !&%&$&%&.E 4 H + + ,- . A → 4,- . H ,- + ↑ H + + - 8&! !&%&.&%&. 2 /,- + /!4 5 ' / &%&.EH&%&.!#++%.N8%6&.2 ! -(. # $%& ! D? 1(:/ ;&B 5 ' ' #G ' : + - / B N 2M .100% 2M 16n+ N;&BN$+ 92 1 ' /4 ' 1 ' 34"0 74 ' 7 N+%NK.90 ' ": 4-# /7512 7 5 ( "1 4-H + 0 t → 4H + -8! 4-H+- $ → 4- $ ! + H + -+! $4H;- $ → $4- $ ! + H+- ↑ H. + -$! 92 4 )1 4- $ ! + 4 4 5 ' // 4- $ ! + # + - ?7512 7 5 8!%+!%$!2 7 5 8!4-35" 2 /4 /4 4 ' 4 4- $ ! + / 3 2 Cu( NO ) CuO a n n (mol) 80 = = 90 ' " 5 ' 4 F 3 2 2 Cu( NO ) .nH O a n .(188 18n) 3, 025.a (gam) 80 = + = N$4 F 4- $ ! + #$ + - D?7512 7 5 8! 5 ' /0 1* /2 5 ' - < ' + 0 " 5 4-0 7 5 / ' 4)40 5 %/0 35!#90 ' " - NM! 4 < ?7512 7 5 8!) 4 ' 1* ) - < ' + 0 " 5 / / 4 N - N a b 16 − !#?7 5 $!2 - N Cu 2 2 a b a b .n . (mol) 3 3 16 24 − − = = 90 ' " 2 /-4 5 ' / / 9 - N a b 22,4.( ) 0,933.(a b) (lit) 24 − = − -(* # $%& ! /7512 7 5 ( "1 ( " --H +H8 - 2 4 0 H SO dac 170 C → ( " -- +H8 H + -8! < ' 7: /34 ' @ - N&%8E#8N&%8E!%/2 / (@ ?)?7 5 ( " -- 35 H- → ( " --H + -+! ( " -- +H8 H- → ( " --H +H8 -$! ?/ /7 5 8!%+!%$!2 )4C4 12 ' ( 0 4 4 4 ' 15 ' 4 0 4 4 15 ' 4)47 5 @ ( N 4 % 15 ' 43 N 15 ' 4)475 # $%;.15 ' 42 4 5 ' / 2 / 4 * 2 //4 $%$K + /4 4 ' / ) /4 /4 * 4#90 ' " 15 ' 4 N 2 N 3,36 n 0,12(mol) 28 = = 5 ' /4 15 ' 4 15 ' 4 N 3,84 32 0,12 = 8.H8;N$+N8 $ -# ?/ /7 5 8!%+!%$!2 - N ( N 4 N&%8E!# Gia ́ o viên: Nguyê ̃ n Văn Lập trươ ̀ ng THCS số 3 Thái Niên - Bảo Thắng - Lào Cai 3 G ' ) ?)? ' 17 5 8! !#2 ?7 5 $!) -% ( " --% +H8 - 4 !#, 15 ' 435)47 5 8! &%8+M!#O 7 5 +!) - &%8EM! 7 5 +!/ ) -% ( " --% ( " -- 4 &%8EM!# 90 ' "18$%+< ' 7:/ /5 &%8+M! $ -35%&%8EM! ( " --35% ( " -- $ # / "8$%+:/ 2 CO 12,768 n 0,57 (mol) 22,4 = = % 2 H O 8,28 n 0,46 (mol) 18 = = : N$+#&%8+M!H&%8EM!#8+(H"H.E!H#8+(H"HE6!N8$%+! $%;.M$+H8%;(H&%8E"HK%JEM8+(M"M.EH8+(H"HE6N8$%+ BGHIB 'J G#KB/ EF = 734 ' ' 40 ' 4" / "(2 ' ' - + % ' + -/ 2 CO C n n 1.(0,12 a) (x 1).(0,15 a) (x 2).a 0,57 (mol)= = − + + − + + = &%8+MH&%8E(M(H&%8EMH(H+N&%EJ &%8E(N&%$ HKD 2 H O H 1 y 1 y 3 n n 2.(0,12 a) .(0,15 a) .a 0,46 (mol) 2 2 2 + + = = − + − + = &%+.M+H&%&JE"H&%&JEM&%E"M&%EH&%E"H8%EN&%.K BL'J#KB *' EF "(N+@ !/ ' 7512 0,15y 18a 0,99 0,075y a 0,145 − = − − = y 3 a 0, 08 = = 90 ' "L/4 ( + $ --% + NM--# 18$%+< ' 7:/ /5 &%&. $ -%&%&J + $ --@ &%&; + $ -- $ # L 5 ?)? + $ --H $ - 2 4 0 H SO dac 170 C → + $ -- $ H + - 0 4!&%8E&%8+&& 7 5 !&%&;&%&;&& )47 5 !&%&J&%&.&%&;&%&; 4 ' 4)40 7 5 8&&B2 $ - 2 ' 4)40 ?/0 "# D ' 4)40 7 5 ?)? BN 0,08 .100% 66,67% 0,12 = , 4 + $ --* ) + $ -- 0 4 &%8E! N 2 3 C H COONa m 0,15.94 14,1(gam)= = D5 /705 /4 15 ' 4 $ -%/4 ( + $ -# 1:/5 3 CH OH m 0,04.32 1,28 (gam)= = 3 CH OH 1,28 %m .100% 9,697% 13, 2 = = 2 3 C H COOH m 0,07.72 5,04 (gam)= = 2 3 C H COOH 5, 04 m .100% 38,182% 13, 2 = = 9 2 3 3 C H COOCH %m = 8&&BM6%K6JBH$;%8;+B!NE+%8+8B# -(' # $%& ! D92 / " /0 5 < 4/:/2 4 5 ' /- + % + -?" ' 881 :/2 /5 %%-@ ) 4"5 0 7 ) 4"5 # I* ' L/4 : ( +( - " @2 1%%9/4 0 " ' /0 /4 ' 0 2 C4 /4 0 ' 7/ : N8!2 / 7 5 / "# ( +( - " H 3x 2y 2 − !- + 0 t → (- + H( + -8! !8 3x 2y 2 − (( ? 1/ " ' 8H 3x 2y 2 − !+(N$.K(N.HK(H+""N+ Gia ́ o viên: Nguyê ̃ n Văn Lập trươ ̀ ng THCS số 3 Thái Niên - Bảo Thắng - Lào Cai 4 1: ' / - H !N$+8.(N.J(N. 90 ' "L/4 : . ; - + # D:/ L . ; - + ' /5 / (* ' /?)? / / / $ M + M + M--P $ ! + M--P M--M + M + M $ PM--M $ ! + P $ M--M + M $ P $ M + M--M $ # -(/ # .%& ! 92 =7 5 @ ' 15 ' 4@ 4 = ?)?# 15 ' 4/ $ M- = ' / E4"5 -= QR-- R ! $ @2 4 / "= / K- @2 @0 ' "=7 QR-!-- R ! + 1 QR /31///4 15 ' 4% R / 31//142 /4 +(# L512 7 5 ( "1 QR-!-- R ! + H+- 0 t →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ia ́ o viên: Nguyê ̃ n Văn Lập trươ ̀ ng THCS số 3 Thái Niên - Bảo Thắng - Lào Cai 5