Dg2

Page 1

1 1-4 .

1.

30%v/v.

:

. .

100mL. 100mL

30mL

.

. .

100mL 100mL

30mL 30g

. .

.5

2.

:

.5

.2

.1

3.

.7

.5

: . .

. . . .

. .

4.

.5

H2SO4

.4 :

,

.3 . Avogadro .

:

.2

.

.6

.

.5

5.

1

.

1 1. 2. 3. 4. 5.

2

.

.5

2

H2SO4 CO2 FeS

. . . . .

3

H2

(II)

2 1.

.

Na2S2O3

.14

2.

. 19K

P+

39

.

3

n

e-

e-

.11


Mr

:

. H2O. .

.7 3.

.9

. CO2.

.9

4 1 Kg Fe

56%w/w

Fe (II),

HCl,

. .

.

m

. .

.7

.

.9 (s.t.p.).

: Ar: =1,

=16,

=14, C=12

.9


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