Question

write the molecular formula of following compound? copper / bromine

Answer 1

Chemical formula

CuBr2Molar mass223.37 g/molAppearancegrayish black crystals
deliquescentDensity4.710 g/cm3, solidMelting point498 °C (928 °F; 771 K)Boiling point900 °C (1,650 °F; 1,170 K)

Solubility in water

55.7 g/100 mL (20 °C)

Answer 2

It's compound are more than one because of variable valency of copper . So two existing compounds are-
CuBr2 & CuBr3
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