Copper (II) hydroxide: Difference between revisions

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===Synthesis===
===Synthesis===
Combine a soluble copper (II) salt (like [[copper (II) chloride]] or [[copper (II) acetate]]) with [[sodium hydroxide]] or [[potassium hydroxide]]
Combine a soluble copper (II) salt (like [[copper (II) chloride]] or [[copper (II) acetate]]) with [[sodium hydroxide]] or [[potassium hydroxide]]
# Combine 50g [[copper (II) acetate|copper (II) acetate monohydrate]] (¼M) with 29g [[sodium hydroxide|sodium hydroxide monohydrate]] (½M), producing copper hydroxide and sodium acetate.
====example====
#: {{#Chem: Cu(CH3COO)2(aq) + 2NaOH = Cu(OH)2(s) + NaCH3COO (aq)}}
# Dissolve 72g [[copper (II) acetate|copper (II) acetate monohydrate]] (0.36M) in 1L of [[water]]
# Dissolve 42g of  [[sodium hydroxide|sodium hydroxide monohydrate]] (0.72M) in 50ml  of [[water]]
# Combine solutions producing copper hydroxide and sodium acetate
#: {{#Chem: Cu(CH3COO)2(aq) + 2NaOH(aq) = Cu(OH)2(s) + NaCH3COO (aq)}}


==Testing==
==Testing==

Revision as of 14:20, 25 April 2020

 
Copper (II) hydroxide
Chemical formula Cu(OH)2
OTP appearance blue to blue-green solid 
Molar Mass(g/mol) 97.56 
Density(g/cc) 3.368 
Melting Point(°C) 80-100 (decomp) 
Solubility in water(g/L) insoluble 
Solubility in ethanol(g/L) insoluble
NFPA 704
NFPA704.png
0
2
0
 

Uses

Justification Questioned

Other

Natural occurrence

  • rarely occurring mineral spertiniite

Hazards

Character

Soluble in ammonium hydroxide

Production

Extraction

Synthesis

Combine a soluble copper (II) salt (like copper (II) chloride or copper (II) acetate) with sodium hydroxide or potassium hydroxide

example

  1. Dissolve 72g copper (II) acetate monohydrate (0.36M) in 1L of water
  2. Dissolve 42g of sodium hydroxide monohydrate (0.72M) in 50ml of water
  3. Combine solutions producing copper hydroxide and sodium acetate
    Cu(CH3COO)2(aq) + 2 NaOH(aq) Cu(OH)2(s) + NaCH3COO(aq)

Testing

Purification

Storage

Disposal

See Also

References