Diffusion coefficient of liquids and aqueous solutions (table of values)

The solution diffuses into pure water.The values​​of the diffusion coefficientsare expressed in cm2/day. Concentration of electrolytes in gram equivalents per liter of solution, for the non-electrolytes - in moles. The temperature t ° C is listed in the table.

Substance

t (°C)

concentration

diffusion coefficient

Ammonia

12

10

1.42

4

3.55

1.06

3.75

0.45

Barium chloride

8

0.33

0.65

2.4

0.66

Bromine

12

0.1

0.8

Glycerol

10.14

0,125

0,356

0,875

0.342

1.75

0,300

Cadmium sulphate

19.0

20

0.246

Potassium nitrate

17.6

0.02

1.28

0.3

1.26

14

1.10

Potassium bromide

10

10

1.13

Potassium sulphate

19.6

0.02

1.01

0.28

0.86

0.95

0.79

Potassium carbonate

10

3.0

0.60

Potassium chloride

17.5

0.02

1.36

0.9

1.52

18.0

1.0

1,330

3.6

1,338

Calcium chloride

9

1.5

0.72

10

0.27

0.68

2.0

0.68

Nitric acid

12

0.55

1.91

19.5

0.10

2.07

0.90

2.26

3.90

2.46

Sulphuric acid

12

1.0

1.12

18

0.35

1.32

0.85

1.34

2.85

1.60

4.85

1.90

Hydrochloric acid

12

0.50

2.07

1.0

2.09

19.2

0.10

2.21

0.90

2.63

3.20

3.89

Cobalt chloride

10

1.5

0.46

Lithium bromide

10

2.3

0.80

4.4

0.90

Lithium chloride

18

0.10

0.951

1.0

0.920

4.2

0.956

Copper sulfate

17

0.10

0.39

0.50

0.29

1.95

0.23

Copper chlorous

10

15

0.43

Sodium nitrate

10.5

3.0

0.76

5.0

5.0

0.83

13

0.6

0.90

6.0

0.77

Sodium bromide

10

2.9

0.86

Sodium sulfate

10

1.4

0.66

10.4

1.29

0.49

Sodium carbonate

10

2.4

0.39

Sodium chloride

12

1.0

0.90

15

0.02

0.94

0.1

0.94

0.9

0.97

3.9

1.02

Sugar cane

12

0.5

0.28

1.0

0.25

18.5

0.30

0.31

0.97

0.24

1.97

0.43

Lead nitrate

12

0.22

0.71

0.82

0.66

Silver nitrate

12

0.02

1.03

0.10

0.98

0.90

0.88

3.9

0.53

Ethanol

11

0.05

0.73

0.25

0.69

0.75

0.62

3.75

0.45

Zinc sulphate

19.5

0.025

0.50

0.55

0.36

2.95

0.33


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