1. (V) :
H3PO4 + 3NaOH = Na3PO4 + 3H2O.
- -. , 3 NaOH 1 H3PO4. , H3PO4 
H3PO4, :
ƒ (H3PO4)= .
(H3PO4 + 2NaOH = Na2PO4 + 2H2O) 2 NaOH 1 H3PO4, 2 -. , H3PO4 ½ H3PO4. ½:
ƒ (H3PO4)=½.
2. K2Cr2O7 :
K2Cr2O7 + 6I + 7H2SO4 = Cr2(SO4)3 + 4K2SO4 +3I2 + 7H2O.
-. , :
+ 6 ē + 14+ = 2Cr3+ + 7H2O.
6 . , K2Cr2O7 
K2Cr2O7, :
ƒ (K2Cr2O7)= .
3. NaOH 0,1235 / 3 13,50 3 NaOH. :
H22O4 + 2NaOH = Na22O4 + 2H2O.
.
:
c (NaOH)=0,1235 / 3 (H22O4)=90 /
V (NaOH())=13,50 3
m (H22O4) ?
H22O4 ½
4. , 500,00 3 20,00 3 20,80 3 , 0,002022 / 3.
:
V 1(NaOH())=500,00 3 M (
NaOH)=39,99 /
V 2(NaOH())=20,00 3 M ( HCl)=36,46 /
V (HCl())=20,80 3
(HCl)=0,002022 / 3
m (NaOH) ?
5. , ᒺ 500,00 3, 25,00 3 20,50 3 NaOH 0,1145 / 3.
:
V 1(CH3COOH())=500,00 3 ( CH3COOH)=60,05 /
V 2(CH3COOH())=25,00 3 ( NaOH)=39,99 /
V (NaOH())=20,50 3
c ( NaOH)=0,1145 / 3
m (CH3COOH) ?
NaOH NaOH 0,1145 / 3 :
ᒺ :
= 
6. 0,01702 / 3. AgNO3.
:
(AgNO3)=0,01702 / 3 ( AgNO3)=169,9 /
( AgNO3) ? ( Nal)=58,46 /
(AgNO3/Nal) ?
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7. 0,4000 22,00 3 l 0,3000 / 3. (%) Na2O3 2O3 .
:
m (Na2O3)+ m (2O3)=0,4000 (1/2Na2O3)=52,994 /
V (l())=22,00 3 (1/22O)=69,103 /
( l)=0,3000 / 3
w (Na2O3) ?
w (2O3) ?
w (%) Na2O3 , Na2O3 2O3, , :
n (½Na2O3) + n (½2O3) = n (l),
l, .
:
ϳ , :
: w=46,12.
, Na2O3 46,12%, 2O3 (10046,12)=53,88%.
8. , ᒺ 100,0 3 25,00 3 Cl2 0,02 / 3 (K =0,9816). Cl2 , , 17,00 3 0,02 / 3 (K =1,018). 
/ 3.
(K ).
:
V ( )=100,0 3 ()=96,06 /
V (Cl2())=25,00 3
(Cl2)=0,02 / 3
K 1(Cl2())=0,9816
V (())=17,00 3
()=0,02 / 3
K 2(())=1,018
() / 3 ?
:
n () = n (Cl2) n ().
/ 3, :
ϳ , :
, 0,1390 / 3.
9. ᒺ 500,00 3 5,360 . 25,00 3 50,00 3 AgNO3 0,1 / 3 (K =0,8470). AgNO3 23,88 3 ( (NH4SCN/Ag+)=0,01063 / 3). (%) Cl .
:
V 1(Cl())=500,0 3 (Cl)=74,55 /
V 2(Cl())=25,00 3 (Ag+)=107,878 /
m (Cl)=5,360
V (AgNO3())=50,00 3
(AgNO3)=0,1 / 3
K =0,8470
V (NH4SCN())=23,88 3
(NH4SCN/Ag+)=0,01063 / 3.
w (Cl) ?
ʳ Cl :
(%) Cl :
10. ( ( l)=0,1 / 3) ( ( NaOH)=0,1 / 3) ( =5)?
p H = 5, , , +- ( ).
+- = 
V 1 ᒺ , ;
V 2 ᒺ .
, V 2=2 V 1.
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+- = 
, .
11. ( ( NaOH)=0,02 / 3) ( ( Cl)=0,02 / 3): ) ( =9); ) ( =4)?
p H=7. ϳ (p H=9) , -.
- = 
- = 
, .
(p H=4), +- , :
+- = 
.
12. ̳ CuSO45H2O 6,2508 250 3 . 25,00 3 ʲ. , , 24,1 3 Na2S2O3 0,1015 / 3. Cu2+ .
:
m (CuSO4)=6,2508 M (Cu2+)=63,54 /
V 1(CuSO4(p))=250 3
V 2(CuSO4(p))=25,00 3
V (Na2S2O3(p))=24,1 3
(½Na2S2O3)=0,1015 / 3
w (Cu2+) ?
CuS4 :
