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B   `D??p(  Tӑ ??@,$D  0 hVcn[Ca2+ CaC2O4(s) H2C2O4, n<       'j  T ?? ` ,$D  0 CaCO3+HCl(Ǐϑ)> 2 6H  0޽h ? 3333!!___PPT10!.+5D ' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-o6Bwipe(up)*<3<*D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-o6Bwipe(up)*<3<*D{' =%(D#' =%(D' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =+4 8?dCB1+#ppt_w/2BCB#ppt_xB*Y3>B ppt_x<*D' =+4 8?\CB#ppt_yBCB#ppt_yB*Y3>B ppt_y<*D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*T%(D' =-o6Bwipe(up)*<3<*TD' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-o6Bwipe(up)*<3<*D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-o6Bwipe(up)*<3<*D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-s6Bwipe(left)*<3<*D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =-o6Bwipe(up)*<3<* D' =%(D' =%(D7' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-s6Bwipe(left)*<3<*D' =%(D' =%(D7' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =-s6Bwipe(left)*<3<* +P+0+ ++0+ ++0+ ++0+ ++0+ ++0+ +  ph(  ~  s *P     s *<$  0  H  0޽h ? 3333rj___PPT10J.+,OD' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-s6Bwipe(left)*<3<*D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*+%(D' =-s6Bwipe(left)*<3<*+D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*+S%(D' =-s6Bwipe(left)*<3<*+SD' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*SY%(D' =-s6Bwipe(left)*<3<*SYD' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*Yz%(D' =-s6Bwipe(left)*<3<*YzD' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*z%(D' =-s6Bwipe(left)*<3<*zD' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*%(D' =-s6Bwipe(left)*<3<*+8+0+ +   .(   ~  s *P     c $ <$  0  T  TP# ??`P ,$D  0 -Ne T O~~ Rg~ Sf[~ eh_ GR AR CP BR h~{r ~ ~ ݄ TaUrb n<#'d#'#'"   d         |# ' d# ' # ' # ' |$(h  T3 ?? @,$D  0 6[INp7-15 hQՋBR0ؚ~ՋBR0N(uՋBR2 n<  " $ H  0޽h ? 3333  ___PPT10 .+]D ' = @B D ' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* 0%(D' =-s6Bwipe(left)*<3<* 0D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =-o6Bwipe(up)*<3<* D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<* %(D' =-o6Bwipe(up)*<3<* ++0+  ++0+  ++0+  +  $h(  $~ $ s *$JP    $ s * K<$  0  H $ 0޽h ? 3333rj___PPT10J.+,OD' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$ %(D' =-s6Bwipe(left)*<3<*$ D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$ %(D' =-s6Bwipe(left)*<3<*$ D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$.%(D' =-s6Bwipe(left)*<3<*$.D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$.?%(D' =-s6Bwipe(left)*<3<*$.?D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$?E%(D' =-s6Bwipe(left)*<3<*$?ED' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$EP%(D' =-s6Bwipe(left)*<3<*$EPD' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*$Pd%(D' =-s6Bwipe(left)*<3<*$Pd+8+0+$ +  PH ((  ( ( 0b TR$0Jx2$$ r  ( S XdP   r  ( S dP  H ( 0޽h ? ̙33   0(  0~ 0 s *prP    0 c $Xs <$  0   0  f o??  ,$D  0T 0 TLu ??P0+ ,$D 0 _{cf W,gUSCQT (2 H 0 0޽h ? 3333qi___PPT10I.+1D' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*0%(D' =-o6Bwipe(up)*<3<*0D' =%(D' =%(D@' =A@BB BB0B%(D' =1:Bvisible*o3>+B#style.visibility<*0%(D' =-o6Bdissolve*<3<*0+8+0+0 +  .&4(  4 4 c $`P<$ 0    4 c $8j  <$  0  "p`Pp 4 S A ??@ 8 $D 0 4 S A ??@ 8 $D 0H 4 0޽h ? 3333x___PPT10X.+tiXD' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*4%(D' =-s6Bwipe(left)*<3<*4D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*4/%(D' =-s6Bwipe(left)*<3<*4/D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*4/E%(D' =-s6Bwipe(left)*<3<*4/ED' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*4EX%(D' =-s6Bwipe(left)*<3<*4EXD' =%(D' =%(DI' =4@BBB*B%(D' =1:Bvisible*o3>+B#style.visibility<*4%(D' =-6B)barn(outHorizontal)*<3<*4D' =%(D' =%(DI' =4@BBB*B%(D' =1:Bvisible*o3>+B#style.visibility<*4%(D' =-6B)barn(outHorizontal)*<3<*4+8+0+4 +9  bZ8(  8~ 8 s *.P    8 c $/PIG<$  0   8 S A ?? P`8 $D 0H 8 0޽h ? 3333w___PPT10W.+s!D' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =-s6Bwipe(left)*<3<*8D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8?%(D' =-s6Bwipe(left)*<3<*8?D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8?^%(D' =-s6Bwipe(left)*<3<*8?^D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*8^%(D' =-s6Bwipe(left)*<3<*8^D' =%(D' =%(DI' =4@BBB*B%(D' =1:Bvisible*o3>+B#style.visibility<*8%(D' =-6B)barn(outHorizontal)*<3<*8+8+0+8 +D  <V(  <x < c $   x < c $Ȼ    < S A ??I 8 $D  0 < S A ??  8 $D  0 < S A ?? l 8 $D  0 < S A ??! x8 $D  0 < T ?? ,$D  0 &@ZATZBR+R:NAir(TBir((WS^-Nv_1Y(P[peb_1Y5uP[pe0t! 2      NH < 0޽h ? 3333&___PPT10+Y PD' = @B De' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*<%(D' =-o6Bwipe(up)*<3<*<D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*<%(D' =-o6Bwipe(up)*<3<*<D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*<%(D' =-o6Bwipe(up)*<3<*<D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*<%(D' =-o6Bwipe(up)*<3<*<D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*<%(D' =-o6Bwipe(up)*<3<*<+8+0+< +     @m (  @~ @ s *tѨ    @ 3 \Ҩ0e0e @ 5%8c8c     ?1d0u0@Ty2 NP'p<'p@A)BCD|E?0 <$D 0  . @ ZӨ ??@@] ,$D 0 pVH2SO4 vW,gUSCQ: NaOH vW,gUSCQ: NaOH I{ir(vϑĉR: ,`n<2( j` @ c $A ??` c   @ Z ?? J ,$D  0 )MnO4- + 5Fe2+ + 8H+ = Mn2+ + 5Fe3+ + 4H2O*       ` @ c $A  ??   Bz p P @  pP,$D  0  @ Z ??p` P  FNMnO4-vW,gUSCQ: Fe2+vW,gUSCQ: Fe2+ I{ir(vϑĉR:(pn<Z2     Th  @ c $A  ?? wP  h  @ c $A  ?? s T  H @ 0޽h ? 3333yq___PPT10Q.+UbD' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*@%(D' =-s6Bwipe(left)*<3<*@D' =%(D' =%(D7' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*@%(D' =-s6Bwipe(left)*<3<*@+8+0+@  +&  WOD(  Dx D c $h       D c $P <$  0   z  @  D pP ,$D  0N @ `  D P@`  D T  ??@ `  U+6e 2A B D  `D??` ` ~ D T  ?? @ ,$D  0 "Cr2O72- 0002Cr3+0 n<       1z p`    D ` p ,$D  0d  D S A   ??@` 0   ;  D T"  ??p - ,$D  0 { n( K2Cr2O7)=n(Na2S2O3)@ n<                 Nz pp   D p p,$D  0  p   D  p ,$D 0d D S A   ?? @  d D S A  ??  d D S A  ??p _   D T5  ??p ,$D  0 .nm(K2Cr2O7 )= n( K2Cr2O7) M( K2Cr2O7) =c(Na2S2O3) V(Na2S2O3) M(K2Cr2O7) =0.0200.025294.18/6=0.025(g)o n<                                                  z  @p  D @ p ,$D  0N p@p`  D  @` B D  `D??p` `  D T\  ??@p`  U-2e 2A r D T_  ?? pp  $2S2O32-0000 S4O62- n<          r D Zfd޽h @ ? 33332*___PPT10 .+cnD' = @B De' = @BA?%,( < +O%,( < +D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*D#%(D' =-s6Bwipe(left)*<3<*D#D' =%(D' =%(DD' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*D#B%(D' =-s6Bwipe(left)*<3<*D#BD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =-o6Bwipe(up)*<3<*DD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*D%(D' =-o6Bwipe(up)*<3<*DD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* D%(D' =-o6Bwipe(up)*<3<* DD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* D%(D' =-o6Bwipe(up)*<3<* D+8+0+D  +   H(  H~ H s * ~ P    x H c $~      H S A  ??em K 8 $D  0 H Tȃ  ?? ],$D  0 "h[0.10molL-1NaOH: (uH2C2O42H2O,~0.15g, ^y'Y7h; (uKHC8H4O4,~0.5g, y\7h:N}Y(?)V n<                                 H H 0޽h ? 3333e]___PPT10=+/D' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =-o6Bwipe(up)*<3<*HD' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*H%(D' =-o6Bwipe(up)*<3<*H+8+0+H  +  6. L(  L~ L s * P     L0 TA ? ?q   ` L c $A ??0 H L 0޽h ? 3333   0P2(  Px P c $ ;     P S A ?? n8 $D  0v P N ??@ !wF p@M P B P  fDo??` `B P  fDo??00 P T  ??p@M YS Ca2++C2O42- CaC2O4(s) H2C2O4 2MnO4-+5H2C2O4+6H+=2Mn2++10CO2(g)+8H2OT n<                                     z `   P  0A ,$D  0  P S A ??  8 $D  0  P T@  ??`M  h n(Ca2+)=n(H2C2O4)= n(KMnO4),! n<                z p    P pp ,$D  0B  P ZD??P`B PB ZD??P`B P ZD??B P ZD??5 P T  ??p   5H2C2O4 2KMnO4v 2        z P  P @P ,$D  0N   P  B P ZD??P`B P ZD??p`zN  ` P  B P ZD?? ``B P ZD?? 2 P Th  ??P  1Ca2+ 1H2C2O4v 2         r P Zfd޽h @ ? 3333  ___PPT10 +JaD ' = @B Dm ' = @BA?%,( < +O%,( < +D' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*P%(D' =-o6Bwipe(up)*<3<*PD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* P%(D' =-o6Bwipe(up)*<3<* PD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<* P%(D' =-o6Bwipe(up)*<3<* PD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*P%(D' =-o6Bwipe(up)*<3<*P+   @Th(  Tx T c $, `]    x T c $     ` T c $A ??B  4 T Z  ??P p ,$D  0 v 9hncbc{Vpel:,    T c $A ?? `&8 $D  0H T 0޽h ? 3333e]___PPT10=+^:eD' = @B D' = @BA?%,( < +O%,( < +D' =%(D' =%(D@' =A@BBBB0B%(D' =1:Bvisible*o3>+B#style.visibility<*T%(D' =-o6Bwipe(up)*<3<*TD' =%(D' =%(D3' =4@BBBB%(D' =1:Bvisible*o3>+B#style.visibility<*T%(D' =-o6Bwipe(up)*<3<*T+8+0+T  +  R J P,X(  X ,X 68 D<1. gsQn[^v{ O gwq\S[(uhQw7hh[K2Cr2O7nm0yS+TFe:N 52.65%vhQw7h0.1000g YtbFe2+T(uK2Cr2O7nmn[ m34.50mL0BlTK Cr O /FeTTK Cr O /Fe% 0  n[^v[INkmLhQnmn[KmirvKQpe dk-N 34.50mLK2Cr2O7nmnFevKQpe:N1.00000.5265g @bN g TK Cr O /Fe =      = 0.001526g/Ml n[^vSN[IN:N (WV[y7hϑagN N kmLhQnmvS_NKm~Rv~vR+Tϑ0(Wdk-N 34.50mLK2Cr2O7nmNFe+Tϑ:N52.65%1.000gՋ7hp`}YS^[hQ @bN g TK Cr O /Fe%=    = 1.526%/mL g0J200J2W0J2&0J2f0J2#0J20J2    /      4    =   #     <           H X 0޽h ? ̙33D `L\(  \LF 0 \ 0J  \ 0 03  BO {0.02000mol/L K2Cr2O7nmvTK Cr O /Fe TTK Cr O /Fe O 0 V[y7hϑ:N0.1000g BlTK Cr O /Fe%TTK Cr O /Fe O 0n[S^:N Cr2O72- + 6Fe2+ + 14H+ = 2Cr3+ + 6Fe2+ + 7H2O kmL0.02000mol/LK2Cr2O7nmn[Fevϑ:N n Fe=6/1 n K Cr O = 6c K Cr O VK Cr O =60.020001.000(mmol) Rn[FevKQpe:N60.020001.000MFe10-3(g) 4" TK Cr O /Fe= 60.020001.00055.8510-3(g/Ml) k mL0.02000 K2Cr2O7nmn[Fe2O3vϑ:N:0J2.0J2$0J2I0J2%0J2W0J2                                             .  C ,   \ <̕"A Y2 2 7 \ <T p \ V 1.0000.5265   \ <O0   O34.50 \ <R6| Y2 2 7 \ <Q p P52.65%  \ <PZ pp 0 O34.50  \ <](; Y2 2 7N B;  \ (;  \ <(bB5 Y2 2 7  \ <\; H2 3  \ <i  p Y2 2 7N B; \ &s \ <tmB5 Y2 2 7 \ <d; H2 3 xN 0 L   \ 0 L   \ <t0   :  \ <x L   :  \ <H| L   :  \ <L : H \ 0޽h ? ̙33u %p`(  `}F 0 ` 0$ ` 00 n Fe O= 3/1 n K Cr O 4" TK Cr O /Fe O = 30.020001.000159.6910-3(g/Ml) V:NTB/ANTB/A%vsQ|:NTB/A%=    100% 4" TK Cr O /Fe% =     100% =     = 6.702%/mL TK Cr O /Fe O % =       100% =     = 9.581%/mL 60J20J2         " " 1(/ ` <FJJ Q2 3 ` <D$p Y2 2 7 ` <УJX  Y2 2 7N B; ` r ` <ȥB5 Y2 2 7  ` <$; H2 3   ` <̴p   JTB/A*   ` 0 ` G Hms* N    `    ` <  hTK Cr O /Fe    ` <d2  Y2 2 7 ` <PP  P0.1000 ` <P  R0.006702  ` <t` ` P0.1000N \ ` \ ` <Tb H2 3  ` <\p Y2 2 75N 6  ` "` } ` <6|  lTK Cr O /Fe O   N \ ` H  ` <b H2 3  ` <\m Y2 2 7 ` <   P0.1000 ` <P P P0.1000 ` <  R0.009581 H ` 0޽h ? ̙33=1 00JJ}0(    0>  2 hQnmvM6R OM6R250.00mL0.02000mol/LvK2Cr2O7hQnm ^yWQir K2Cr2O7Y\KQ dk^\VSOWQ~ir(M6Rbnm [NvϑvsQ|:Nj0J2 0J2+0J20J20J2          ` !6F ~Y  ~YN  H Z   : ~N P 8   r Z   <LP   :K Cr O   < 7 12   <"  5 17    <P  G8 12    <) H /  1mN Y   YN  H Z    N P 8    r Z   <h.P   :K Cr O   <! 7 12   <0  5 17   <T8 G8 12   <L4 H /  1CN  H Z    N P 8   r Z   <@P   :K Cr O   <\D 7 12   <G  5 17   <A G8 12   <8N H /  1V(N  9 Z   j  N P 8   r Z   <HRP   :K Cr O   <DW 7 12   <U  5 17   <] G8 12    <a 9 z 3  ;nN  H Z  ! 2 GYN P 8 "  r Z  # <eP   :K Cr O  $ <j 7 12  % <i  5 17  & <Tq G8 12  ' <t H /  1M ( < x   1= ) <T{ P  1=`B * 0DP nnYF I  + I $T  H Z  ,# Wi N P 8 -  r Z  . <P   :K Cr O  / <䃔 7 12  0 <  5 17  1 <І G8 12  2 < H /  1m$T  H Z  3# @p N P 8 4  r Z  5 <dP   :K Cr O  6 <  7 12  7 <  5 17  8 < G8 12  9 <  H /  1C$T  H Z  :# ` p N P 8 ;  r Z  < <P   :K Cr O  = < 7 12  > <  5 17  ? <t G8 12  @ <䳔 H /  1M A <,Wu>  1= B <tI0  24"$T  H Z  C# P p N P 8 D  r Z  E <P   :K Cr O  F <`” 7 12  G <0ǔ  5 17  H <LŔ G8 12  I <0͔ H /  1V J 0pݔe ` $O4.3 M6R0.1mol/LvHClnm500mL [^d:N1.19g/mL (ϑR peHCL:N37%vSmHCLY\kGS dkvsQ./fzʑMRTHCLvϑ NS SNp/f{SmHCLv Sm^0 SmHCLvSm^CoHCL RkkGSSmHCL00J20J2E0J2. 6   F H  0޽h ? ̙33 %(    0 0jCoHCL =     =      kkGSSmHCL+THCLϑ nHCL:N noHCL=   =     =      RSmHCLvSm^:N CoHCL =       =         ^SSmHCL VoHCL ml S5"CHCLVHCL=C oHCLVoHCL 4"VoHCL=      =         = 4.2mL 3 hQnmh[v{ O ySWQirKHP0.4103g \h[|MvNaOHnm m 20.09mLNaOHnm BlNaOHhQnmvϑSm^0 n[S^:N NaOH + KHP = NaKP + H2O0J20J20J2 0J20J20J2<0J2h0J20J2                                 X      F 0 D  0 D  0>0p D  MHCLVoHCLL      <Fd dmHCL*   0L p D  MHCLVoHCLL      <(SP  Bd  F '   '    <W' dmHCL*    0Y0 JMHCL*    <bP'  T dHCL,    0[g  JMHCL*    <& 0  S 1.190.37    <\% 2  N36.5{F `G  `G  <$` ~  noHCL1000B      <H! `G 11  <|P  J1.190.371000    <  BP ) @36.5  F 0    0    < 0 <   dCHCLVHCL@     <  qCoHCL6    <X N 5  X0.100.5036.5  <   X1.190.371000H  0޽h ? ̙33, f,^,;;+(  +F     0h DDNaOH + KHP = NaKP + H2O     =  nNaOH = CNaOHVNaOH nKHP =     4" cNaOH =     =       mol/L O (u0.1000mol/LNaOHhQnmn[25.00mLH2SO4nm ~pe m25.10mL NaOHnm0BlH2SO4nmvSm^0 n[S^:N 2NaOH + H2SO4 = Na2SO4 + 2H2O     =   cH SO cH SO = nH SO 4" cH SO =     =     =       @0J2 0J2c0J2>0J2"0J2          )                             D # N `  `  <Q enNaOH*   <Vy{` dnKHP*   <x[p,  11  <_p,  11N P3    P3    <?P# 7 dmKHP*    <>3  JMKHP* EN 5y2    5y2 N 5    5   <$=5i enNaOH*   <;59  eVNaOH*   <l: y ` dmKHP*   09 92   MKHPVNaOH@    jT   U #   U  <X6 U 12  < U 14  < R 12  < JL 14  < d U 12  <@  R 14T &  #     <X&  p nH SO *    <  t  12  <  14  <N 5  enHaOH*   <ħ \  11  <T \ ;  12   <Pd 12 ! <, 14$N av  " av T &  ## gZ  $ <1&  p nH SO *   % <0 t  12 & <,/  14 ' <wat  N VH SO *   ( <|<] 12 ) <fv  14 * <v `  enHaOH*  + <{   N VH SO *  N V `  , V `  - <XV `  12 . <L c  14N p` Z  / D * $ 0 <p`   11  1 <p Z  12 `B 2 0D  N p` Z  3  "  4 <p`   11  5 <\p Z  12 `B 6 0D   7 0̢> N  cNaOHVNaOH@     8 <}  N VH SO *  N V `  9 L` : <ܤV `  12 ; <  c  14H  0޽h ? ̙33( @(8(P;;'(  'F   6  0 04. Km~RAv(ϑRpev{ O yS+TNa2CO37hT0.5336g (u0.5000mol/L HClhQnmn[ N2uWYj:Nc:yBR ~pemHClnm20.10ml0BlNa CO 0 n[S^:N 2HCl + Na2CO3 = 2NaCl + CO2!+H2O     =   4" Na CO =      =           =           =             V0J2+0J2j0J20J2  M         f $$  M!$T $h7 # &jp  <\J$7 12  <h/ 13T $h7 # Tl    <Q$7 12   <`Th/ 13T V d   #    <XV [   hnNa CO *  N $h7     d    <$7 12  <dh/ 13  0PI0  dnHCL*   <4Ų\  11  <I\ 0  12T V d  #     <V [   hnNa CO *  N $h7    d   <x+$7 12  <|βh/ 13T   # z    <Ѝ  hMNa CO *  T $h7 # |I   <֍$7 12  <ڍh/ 13  0@ݍ8 A  Hms* T  O  # * N       <  hmNa CO *  T $h7  # |I  ! < $7 12 " <,h/ 13 # 0h O  Hms*  $ 0  Hms*  % 0  Hms* T D&   &#  ~  ' <upF&   11  ( <dupDr   12 `B ) 0D\  VT  y   *#  y 0 N D&   + 0 ~  , <zpF&   11  - <pDr   12 `B . 0D\   / 0p6  dnHCL* T   0# < y   1 <p  hMNa CO *  T $h7 2# |I  3 < } ? 0  r VK Cr O *    @ <hp 17 A <p| 12 B <vp 12T   C# w D 0  hMFe O *  T @Gg E# l es  F <xGg 13 G <T@g 12 H < Y   13H  0޽h ? ̙33" c"["--!(  !F \  \D  0W\ .1uS^_Sw 2MnO4- % 5 H2C2O4 % 5Ca2+ % 5CaCO3     =   4" CaCO =     =       =        O yS0.2452gWQK2Cr2O7 nNϑ4lTRǏϑKITϑHCl c6Rx^ (uNa2S2O3nmn[@bgQvI2 mN25.00mL0Bl cNa S O0 gsQS^_Y N Cr2O7 2-+ 6I- + 14H+ = 2Cr3+ + 3I2 + 7H2O I2 + 2S2O32- = 2I- + S4O62- 1uS^_Sw@ 0J220J2,0J2)0J260J2G0J2 0J2             "                                      J '!  G N   N 0 K  0 K`B  0D`B  0D  `B  0D 0 N     P   <d h  13   0_ p  enCaCO* N  p    8~K   <,e h m  13  0th p  enMnCO*   <8nP 15  <pPL7 12  <sX@ 13  0pq`   bmS* N X   X   0}p  bmS* N f 8 d @   X `  0Df 8 P   emCaCO*   < d @  13N f 8 _ @      0<f 8 P   eMCaCO*   < _ @  13N        0,   enCaCO*   <И:   13N f 8 _ @   @K   0 f 8 P   eMCaCO*    <ء _ @  13 ! 0 g bmS* N  P D@  "  p  # <Ȫ B@  12  $ <m P D  15 `B % 0D 8 N   $  & @ *  ' 0|   dnMnO*  ( <Զ $  14 ) < O  2 ]N    * W   + <U   12 , < .  12 - <F   13H  0޽h ? ̙33( ((99.((  'F $  $Z  0$ *1Cr2O72- % 31I2 % 32S2O32-     =   4" =     =     =        O yS0.3800g+TCaCO3Ջ7h nN25.00mL 0.5000mol/L HCln m-N S^[hQT (u0.2000mol/L NaOHhQnmԏnǏϑvHCl (uS25.00mL0BlCaCO 0 gsQS^_Y N CaCO3 +2HCl = CaCl + 2H2O + CO2! HCl+ NaOH = NaCl + H2O 1uS^_Sw+0J220J210J2~0J2 0J2         2 3                           `B  0DP8P`B  0D Hp HN X`  p  <tX`? 16  <l\ 11   <llP   13AN  Z   Vjm   <l p 13   0@ l Z enS O*    0l p  12  <l (5 L2-BN @W  d0  <lW 17  0ll@' fnCr O*   0l4W 12  <"l L2-N   p`wT f 8 [ 4  #   0&lf 8 Q  i cNa S O*    <@,l [ 4  13  0`.lzP 12  01lPr 12N   * 8T f 8 T =  #   05lf 8 R   i nNa S O*    <L;l T =  13  0@lzQ 12  0ClPr 12   0Gl  i VNa S O*  N   !   " <pMlt   13N   #   $ 0l@' fnCr O*  ) 0`l4W 12 * <cl L2- + <ZlR 16 , 0flW> i VNa S O*  N    -    . 0plp ] D i VNa S O*   / <ul <  16N  Pn j 0  \  1 0|jl PP 7 i mK Cr O*   2 0~l d g 12 3 0l\  g 12 4 <hl n j 17N (   5  f0  6 0l(  w O MK Cr O*   7 0 l   12 8 0Xlz &  12 9 <l #  17H  0޽h ? ̙33    ++= (   F 03  03  0ġl  ~    =       =   NCaCO3S^vHClvϑ/fHCl;`ϑQSǏϑvϑsSNNaOHS^vϑ  nCaHCl = n;`HCl - nNaHCl = cHCl VHCl +cNaOH VNaOH 4" CaCO =     =       =        =              5 gsQn[^v{ 0J200J230J2<0J2 0J2   "            1     (  3 N pH  p0HG  <l@H 13  0lp: enCaCO*   0lj mn HCl*   <<)l]l 13N `J}   O l   <l} 13   0l`JG emCaCO*    0$l H / mn HCl*    0l   nn NaOH* N X`  x@  <lX`? 11  <0l\ 12N X`  0 r   <lX`? 11  <dl\ 11  04l@I  Hms* N `J|   A `  <ll| 13  0Dn`JE nn CaCO* N `J|  0 @p_  <n| 13  0 n`JE eMCaCO*   0 n   Hms*   < n hnCaHCl,  N v"b  4  <4nv" 11   <l b 12 `B   0DN `J| ! p  " <n| 13 # 0P#n`JE eMCaCO*  $ 0(np W  Hms*  % 0-np  I2ms* H & 02n+ @ (cHCl VHCl +cNaOH VNaOH)x     ,  N `J| '   ( <n| 13 ) 0An`JE eMCaCO*  * <\|vqo"m ڧ<-_sgxLfRVcvl}fH-(Uܠg@>a!|DŜA:qʧRKoPS0əFV#gNsFR4G_3.P(qc5/ YG (?gih+{NksUm*>O2e UIe) lP}'9ۃoAW8U?͉bȄQ0v_ %tU#wMLiڶHJ.Yw}h83K=4Q yi;Y~6mfqm%QUuΰBYJVc"(S,kuXcY5{Jho2:q-hPQi`BmVq% m!'|JבWh^G[||,bFgN$eo}=N=)3vUlk%Y3Jʙ 8>B!j).F$+M8xNz!p ~.?yUXOCA(z*SСWBM =_|`B n[!pkxb_Δx1&){ +/2ϓ{`oG` y/ErOaM m F6z`]v(%. 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