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Sulfuro de plata

De Wikipedia, la enciclopedia libre

 
Sulfuro de plata
Nombre IUPAC
sulfuro de plata
General
Fórmula molecular Ag2S
Identificadores
Número CAS 21548-73-2[1]​
ChemSpider 145878
UNII 9ZB10YHC1C
InChI=InChI=1S/2Ag.S/q2*+1;-2
Key: XUARKZBEFFVFRG-UHFFFAOYSA-N
Propiedades físicas
Apariencia Negro
Densidad 7230 kg/m³; 7,23 g/cm³
Masa molar 2478 g/mol
Propiedades químicas
Solubilidad en agua 8,5.10-12 mg/L
Valores en el SI y en condiciones estándar
(25 ℃ y 1 atm), salvo que se indique lo contrario.
[editar datos en Wikidata]

El sulfuro de plata es un sólido negro, altamente insoluble en agua, cuya fórmula molecular correspondiente es Ag2S.

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Transcription

Preparación

Se produce al reaccionar nitrato de plata con ácido sulfhídrico.

2 Ag+ + H2S → Ag2S ↓ + 2H+

Reacciones

Se disuelve en ácido nítrico diluido y caliente.

3 Ag2S ↓ + 2 NO3- + 8 H+ → 6 Ag+ + 2 NO + 3 S ↓ + 4 H2O

Referencias

  1. ↑ Número CAS
Esta página se editó por última vez el 2 feb 2022 a las 23:48.
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