Dg1

Page 1

1 1-4 .

1.

30%v/v. .

:

100mL.

. .

100mL 100mL

30mL 30mL

.

100mL

30g

. . .

.5

2.

:

.5

.2

.4

3.

.7

.5

: .

. . . .

. . .

4.

3mol H2SO4

.5

:

H2SO4 .3 Avogadro .

. :

H2SO4.

. 12

O.

.3

.5

5.

1

.

1 1. 2. 3. 4. 5.

H2SO4.

2

.

.5

2

H2SO4 CO2 FeS Al(OH)3 HCl

. . . . .

2 1.

.

[CrO4] -2

Na2S2O3

Al2 (SO4)3

.6 (2+2+2)

2. :

. . . . .

Ca(OH)2 Br2 AgNO3 K NH4Cl

+ + + + + .

H3PO4 KCl BaCl2 FeCl2 Mg(OH)2

.10(2+2+2+2)


P+ 19K

e-

n

e-

39

35 17Cl

3.

.

.5

4.

;

.4

3 0,5L .

H2O

mol

126 g

3.

;

.7

c1

.

.

3

.

.9

1,5L

;

. .9

4 1 Kg Fe

56%

FeII

HCl,

. . . .

.

m

.7

. (s.t.p.).

.9 .9


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