Hydrochloric Acid -

Concentration	Density	Molarity	pH	Viscosity	Specific heat	Vapour pressure	Boiling point	Melting point
kg HCl/kg	kg HCl/m3	Baumé	kg/L	mol/dm3		mPa·s	kJ/(kg·K)	kPa	°C	°C
10%	104.80	6.6	1.048	2.87	−0.5	1.16	3.47	1.95	103	−18
20%	219.60	13	1.098	6.02	−0.8	1.37	2.99	1.40	108	−59
30%	344.70	19	1.149	9.45	−1.0	1.70	2.60	2.13	90	−52
32%	370.88	20	1.159	10.17	−1.0	1.80	2.55	3.73	84	−43
34%	397.46	21	1.169	10.90	−1.0	1.90	2.50	7.24	71	−36
36%	424.44	22	1.179	11.64	−1.1	1.99	2.46	14.5	61	−30
38%	451.82	23	1.189	12.39	−1.1	2.10	2.43	28.3	48	−26
The reference temperature and pressure for the above table are 20 °C and 1 atmosphere (101.325 kPa). Vapour pressure values are taken from the International Critical Tables, and refer to the total vapour pressure of the solution.

kg HCl/kg

kg HCl/m3

Baumé

kg/L

mol/dm3

mPa·s

kJ/(kg·K)

kPa

°C

10%

104.80

6.6

1.048

2.87

−0.5

1.16

3.47

1.95

103

−18

20%

219.60

1.098

6.02

−0.8

1.37

2.99

1.40

108

−59

30%

344.70

1.149

9.45

−1.0

1.70

2.60

2.13

−52

32%

370.88

1.159

10.17

−1.0

1.80

2.55

3.73

−43

34%

397.46

1.169

10.90

−1.0

1.90

2.50

7.24

−36

36%

424.44

1.179

11.64

−1.1

1.99

2.46

14.5

−30

38%

451.82

1.189

12.39

−1.1

2.10

2.43

28.3

−26

The reference temperature and pressure for the above table are 20 °C and 1 atmosphere (101.325 kPa).
Vapour pressure values are taken from the International Critical Tables, and refer to the total vapour pressure of the solution.

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