Question: what are the physical and chemical properties of sodium nitrate?
Answer: Physical properties : Sodium nitrate is a white crystalline solid with a density of 2.26 g/mL and a melting point of 308 °C. It exists as either trigonal or rhombohedral crystals. Chemical properties: Sodium nitrate is the salt of a strong acid and hence, dissociates completely in water into sodium and nitrate ions.