Solid phase
Official name
Cobalt(II) nitrate
Secondary names
cobalt(2+);dinitrate; Cobaltous nitrate; Nitric acid, cobalt(2+) salt; Cobalt dinitrate
CAS number
10141-05-6
Type
Family
ionic solid
Class
normal salt
Compound type
nitrate
Chemical composition
Formula
$Co^{2+} \cdot (NO_3^-)_2$
Chemical formula
Co(NO3)2
Elemental formula
(Co2+) (N+)2 O2 (O-)4
Isotope mixture type
terrestrial abundance
6.0
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Co^{2+}$ Cobaltous cation element 1 0.3333333333333333 1 constituent cation main
$(NO_3)^-$ Nitrate anion chemical function 2 0.6666666666666666 1 anionic radical main
Chemical functions
  Function Number
$(NO_3)^-$ 2
Chemical bonds
  Bond Number
$\cdot Co^{2+} \cdot O^{-}-$ 2
$\dddot - \dddot - N^+ \dddot - O^{-2/3}$ 3
Class
normal salts (07)
Type
simple normal salts (07.01)
Phase type
crystalline
Molar mass
182.943 $g/mol$
Density
2.49 $g/cm^3$
State NTP
solid
Phase transitions
Phase transition type Other phases Temperature - Pressure
solid-liquid liquid, but decompose 373K (100 °C)
Pure color
pale red
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