Claim: Potassium octachlorodimolybdate(4−) appears as soluble red crystals and has a chemical formula of K4Cl8Mo2, molar mass of 631.9 g/mol, and density of 2.54 g/cm.
Evidence: Potassium octachlorodimolybdate (systematically named potassium bis(tetrachloridomolybdate)(Mo–Mo)(4−)) is an inorganic compound with the chemical formula K 4Mo 2Cl 8 (also written as K 4[Cl 4MoMoCl 4]). soluble red crystals Appearance Solubility in water K4Cl8Mo2 Chemical formula Molar mass 631.9 g/mol Density 2.54 g/cm