Solid phase
Official name
Sodium chloride hydrates
Secondary names
Common salt, hydrated; Hydrohalite; Rock salt, hydrated; Sodium chloric hydrates; NaCl hydrates
Type
Family
ionic solid
Class
normal salt
Compound type
chloride
Comments
at least 2 low pressure hydrates : di- and tri-
Chemical composition
Formula
$Na^+ \cdot Cl^- \bullet nH_2O$
Chemical formula
NaCl.nH2O
Elemental formula
(Na+) (Cl-) (H)0-n (O)0-n
Isotope mixture type
terrestrial abundance
4.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Na^+$ Sodium cation element 1 0.5 1 constituent cation main
$Cl^-$ Chloride anion element 1 0.5 1 constituent anion main
$H_2O$ Water molecule 0 - n 1 hydration main
Chemical functions
  Function Number
$R-OH$ 2
Chemical bonds
  Bond Number
$Na^+ \cdot Cl^-$ 6
$-O \dots H-$ 2n
$-O-H$ 2
Class
normal salts (07)
Type
hydrated simple normal salts (07.04)
Endmembers
Phase type
crystalline
Crystal system
unknown
Molar mass
58.443 - 292.638 $g/mol$
Density
2.165 - ?? $g/cm^3$
State NTP
solid
Refringence type
various
Pure color
colorless
Color
colorless, white
Diaphaneity
transparent to translucent
Luster
vitreous
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