Properties

Molecular formulaHCl

Molar mass36.46gmol1

AppearanceColorless gas

Odorpungent

Density1.490 g L1[2]

Melting point114.22C (173.60F; 158.93K)

Boiling point85.05C (121.09F; 188.10K)

Solubility in water823 g/L (0 C)720 g/L (20 C)561 g/L (60 C)

Solubilitysoluble in methanol, ethanol, ether

Vapor pressure4352 kPa (at 21.1 C)[3]

Acidity (pKa)-7.0[4]

Basicity (pKb)21.0

Refractive index (nD)1.0004456 (gas)1.254 (liquid)

Viscosity0.311 cP (100 C)

Properties

Molecular formulaC2H6

Molar mass30.07gmol1

AppearanceColorless gas

OdorOdorless

Density 1.3562 mg cm3 (at 0 C)[1] 0.5446 g cm3(at 184 K)[2]

Melting point182.8C; 296.9F; 90.4K

Boiling point88.5C; 127.4F; 184.6K

Solubility in water56.8 mg L1[3]

Vapor pressure3.8453 MPa (at 21.1 C)

Henry's lawconstant(kH)19 nmol Pa1 kg1

Acidity (pKa)50

Basicity (pKb)-36

Properties

Molecular formulaAl(OH)3

Molar mass78.00 g/mol

AppearanceWhite amorphous powder

Density2.42 g/cm, solid

Melting point300C (572F; 573K)

Solubility in water0.0001 g/100 mL (20 C)

Solubility product (Ksp)31034[1]

Solubilitysoluble in acids, alkalis, HCl, H2SO4

Acidity (pKa)>7