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The oxidation number of sodium in sodium bromide is 1. 1  Formula: NaBr. 2  Hill system formula: Br 1 Na 1. 3  CAS registry number: [7647-15-6]. 4  Formula weight: 102.894. 5  Class: bromide. 6  Colour: white. 7  Appearance: crystalline solid. 8  Melting point: 747Â°C. 9  Boiling point: 1390Â°C. 10  Density: 3200 kg m -3.
386 g You can find how many grams would be equivalent to 3.75 of sodium bromide, NaBr, by using the mass of one mole of this ionic compound. As you know, the mass of one mole of a compound is expressed by that compound's molar mass. Sodium bromide has a molar mass 102.9 g molâ1, which means that one mole of sodium bromide has a mass of 102.9 g. You can thus use the molar mass of a compound to convert between its mass and the number of moles equivalent to that mass.