1 4.16. Mis (II) atsetatning 20 % li eritmasidan 430 g tayyorlash uchun mis (II) atsetat kristallgidrati Cu(CH3COO)2H2O va 5 % li mis (II) atsetat eritmasidan qanday miqdorda (g) olinishi kerakligini hisoblang.
Yechish: M[Cu(CH3COO)2H2O]=200. M[Cu(CH3COO)2]=182. [Cu(CH3COO)2]=182/200=0,91.
91 15 75
430:86=
20 =5
5 71 355
14.17. 16 % li mis (II) sulfat eritmasini tayyorlash uchun 200 g mis kuporosi CuSO45H2O qanday massadagi (g) 4 % li mis (II) sulfat eritmasida eritilishi kerak?
Yechish: Masalani suyultirish qoidasi yordamida quyidagicha yechish mumkin. M[CuSO45H2O]=250. M[CuSO4]=160. (CuSO4)=160/250=0,64.
64 12 200:12=
16
4 48 =16,67 800
14.18. Suvsiz sulfat kislota tayyorlash uchun 98 % li 500 g sulfat kislota eritmasida qancha massa (g) sulfat angidrid eritilishi zarurligini hisoblash.
Yechish: SO3+H2OH2SO4.
1=[0,98500+(98/80)m]/[500+m]. m=44,5 g.
14.19. Suvsiz kaliy gidroksid tayyorlash uchun 16,8 g kaliy oksid 92 % li o‘yuvchi kaliyning qanday miqdorida (g) eritilishi zarur?
Yechish: K2O+H2O2KOH.
1=[(112/94)16,8+0,92m]/[16,8+m]. m=40.
lovalar
1-ilova
Kvant sonlar va atomlardagi elektronlarning holati
Bosh kvant son, n
|
Orbital kvant son, l
|
Magnit kvant son, ml
|
Spin kvant son, ms
|
Elektron kvant holati
|
Orbitallar soni
|
Elektron holatlar soni
|
Elektron-larning umumiy soni
|
1
|
0
|
0
|
+1/2, 1/2
|
1s
|
1
|
2
|
2
|
2
|
0
1
|
0
+1, 0, 1
|
+1/2, 1/2
+1/2, 1/2
|
2s
2p
|
1
3
|
2
6
|
8
|
3
|
0
1
2
|
0
+1, 0, 1
+2, +1, 0, 1, 2
|
+1/2, 1/2
+1/2, 1/2
+1/2, 1/2
|
3s
3p
3d
|
1
3
5
|
2
6
10
|
18
|
4
|
0
1
2
3
|
0
+1, 0, 1
+2, +1, 0, 1, 2
+3,+2, +1, 0, 1, 2, 3
|
+1/2, 1/2
+1/2, 1/2
+1/2, 1/2
+1/2, 1/2
|
4s
4p
4d
4f
|
1
3
5
7
|
2
6
10
14
|
32
|
5
|
0
1
2
3
4
|
0
+1, 0, 1
+2, +1, 0, 1, 2
+3,+2, +1, 0, 1, 2, 3
+4,+3,+2, +1, 0, 1, 2, 3, 4
|
+1/2, 1/2
+1/2, 1/2
+1/2, 1/2
+1/2, 1/2
+1/2, 1/2
|
5s
5p
5d
5f
5g
|
1
3
5
7
9
|
2
6
10
14
18
|
50
|
2-Ilova
Muhim kislota va asoslarning suvdagi dissotsiatsiya konstantalari
(25 oC)
Kislotalar |
Nomi
|
Formulasi
|
Bos-qich
|
Ka
|
pKa
|
Azid
|
HN3
|
|
1,910-5
|
4,72
|
-Alanin
|
CH3CH(NH2)COOH
|
|
1,3510-10
|
9,87
|
-Alanin
|
NH2CH2CH2COOH
|
|
4,410-11
|
10,36
|
Aminosirka
|
NH2CH2COOH
|
|
1,710-10
|
9,78
|
Arsenat
|
H3AsO4
|
K1
K2
K3
|
6,010-3
1,0510-7
2,9510-12
|
2,22
6,98
11,53
|
Arsenit
|
H3AsO3
|
|
5,110-10
|
9,29
|
Benzoat
|
C6H5COOH
|
|
6,610-5
|
4,18
|
Borat
|
H3BO3
|
K1
|
5,810-10
|
9,24
|
Bromid
|
HBr
|
|
1109
|
-9
|
Chumoli
|
HCOOH
|
|
1,810-4
|
3,75
|
Dixromat
|
H2Cr2O7
|
K2
|
2,310-2
|
1,64
|
Ditionat
|
H2S2O6
|
K1
K2
|
6,310-1
4,010-4
|
0,20
3,40
|
Dixlorsirka
|
Cl2CHCOOH
|
|
5,010-2
|
1,30
|
Fenol
|
C6H5OH
|
|
1,310-10
|
9,90
|
O-Fosfat
|
H3PO4
|
K1
K2
K3
|
7,610-3
6,210-8
4,410-13
|
2,12
7,21
12,36
|
Fosfit
|
H3PO3
|
K1
K2
|
1,610-2
2,010-7
|
1,80
6,70
|
Fumar
|
HOOCCH=CHCOOH
|
K1
K2
|
9,310-4
3,610-5
|
3,03
4,44
|
Gipobromit
|
HbrO
|
|
2,510-9
|
8,60
|
Gipoyodit
|
HJO
|
|
2,310-11
|
10,64
|
Gipoxlorit
|
HClO
|
|
5,010-8
|
7,30
|
Glutanat
|
HOOC(CH2)3COOH
|
K1
K2
|
4,610-5
3,910-6
|
4,34
5,41
|
Glyukonat
|
HOCH2(CHOH)4COOH
|
|
1,410-4
|
3,86
|
Kahrabo
|
HOOCCH2CH2COOH
|
K1
K2
|
6,510-5
3,310-6
|
4,19
5,48
|
m-Krezol
|
CH3C6H4OH
|
|
9,810-11
|
10,01
|
o-Krezol
|
CH3C6H4OH
|
|
6,310-11
|
10,20
|
p-Krezol
|
CH3C6H4OH
|
|
6,710-11
|
10,17
|
Malein
|
HOOCCH=CHCOOH
|
K1
K2
|
1,210-2
5,910-7
|
1,92
6,23
|
Malon
|
HOOCCH2COOH
|
K1
K2
|
1,410-3
2,210-6
|
2,85
5,66
|
Manganat
|
H2MnO4
|
K1
|
~10-1
|
~1
|
|
|
K2
|
7,110-11
|
10,15
|
izo-Moy
|
(CH3)2CHCOOH
|
|
1,410-5
|
4,86
|
n-Moy
|
CH3(CH2) 2COOH
|
|
1,510-5
|
4,82
|
Molibdat
|
H2MoO4
|
K1
K2
|
1,610-2
3,910-5
|
1,80
4,10
|
Nitrat
|
HNO3
|
|
43,6
|
-1,64
|
Nitrit
|
HNO2
|
|
5,110-4
|
3,29
|
Oksalat
|
H2C2O4
|
K1
K2
|
5,610-2
5,410-5
|
1,25
4,27
|
Peryodat
|
HJO4
|
|
2,810-2
|
1,55
|
Permanganat
|
HMnO4
|
|
2102
|
-2,3
|
Pikrin
|
HOC6H2(NO2)3
|
|
5,010-3
|
2,30
|
Plavik
|
HF
|
|
6,810-4
|
3,17
|
Propion
|
CH3CH2COOH
|
|
1,3510-5
|
4,87
|
Rodanid
|
HNCS
|
|
1,410-1
|
0,85
|
Salitsilat
|
HOC6H4COOH
|
|
1,110-3
|
2,97
|
Selenat
|
H2SeO4
|
K2
|
8,910-3
|
2,05
|
Selenit
|
H2SeO3
|
K1
K2
|
2,410-3
4,810-9
|
2,62
8,32
|
Selenid
|
H2Se
|
K1
K2
|
1,310-4
1,010-11
|
3,89
11,00
|
Sianat
|
HCNO
|
|
3,510-4
|
3,46
|
Sianid
|
HCN
|
|
6,210-10
|
9,21
|
Silikat
|
H4SiO4
|
K1
K2
K3
|
1,310-10
1,610-12
2,010-14
|
9,90
11,80
13,70
|
Sirka
|
CH3COOH
|
|
1,7410-5
|
4,76
|
Sulfat
|
H2SO4
|
K2
|
1,210-2
|
1,94
|
Sulfit
|
H2SO3
|
K1
K2
|
1,710-2
6,210-8
|
1,76
7,20
|
Sulfid
|
H2S
|
K1
K2
|
8,910-8
1,310-13
|
7,05
12,90
|
Sut
|
CH3CH(OH)COOH
|
|
1,410-4
|
3,86
|
Tartrat (vino)
|
HOOCCH(OH)CH(OH)COOH
|
K1
K2
|
9,110-4
4,310-5
|
3,04
4,37
|
Trixlorsirka
|
CCl3COOH
|
|
2,010-1
|
0,70
|
Izo-Valerian
|
(CH3)2CHCH2COOH
|
|
1,710-5
|
4,78
|
N-Valerian
|
CH3(CH2) 3COOH
|
|
1,410-5
|
4,86
|
Xlorid
|
HCl
|
|
1107
|
-7
|
Xlorit
|
HClO2
|
|
1,110-2
|
1,97
|
Xlorsirka
|
CH2ClCOOH
|
|
1,410-3
|
2,86
|
Xromat
|
H2CrO4
|
K1
K2
|
1,810-1
3,210-7
|
0,74
6,50
|
Yodat
|
HJO3
|
|
1,610-1
|
0,79
|
Yodid
|
HJ
|
|
11011
|
-11
|
|
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