What is the Difference Between Sodium Chloride and Sodium Nitrate?

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The main difference between sodium chloride and sodium nitrate lies in their chemical composition and anions. Both are ionic compounds containing sodium cations and anions combined through an ionic bond, but they have different anions. Here are the key differences:

  • Chemical Formula: Sodium chloride has the chemical formula NaCl, while sodium nitrate has the chemical formula NaNO3.
  • Anion: Sodium chloride is a combination of sodium cations and chloride anions, whereas sodium nitrate is a combination of sodium cations and nitrate anions.
  • Reactivity: Sodium chloride reacts with silver nitrate (AgNO3) to produce a white precipitate of silver chloride (AgCl). Sodium nitrate, on the other hand, reacts with silver nitrate to form a blue precipitate of silver nitrate.
  • Applications: Sodium chloride is commonly used as table salt and in various food preservation processes. Sodium nitrate is primarily used as a fertilizer and in some cases as a preservative for meat products.

In summary, sodium chloride and sodium nitrate are ionic compounds with different anions, which results in distinct chemical properties and reactivity. While sodium chloride is widely used as table salt and in food preservation, sodium nitrate is primarily used in fertilizers and occasionally in meat preservation.

Comparative Table: Sodium Chloride vs Sodium Nitrate

The main difference between sodium chloride and sodium nitrate lies in the anions they are combined with. Here is a comparison table highlighting the differences between the two compounds:

Property Sodium Chloride (NaCl) Sodium Nitrate (NaNO3)
Chemical Formula NaCl NaNO3
Anion Chloride (Cl-) Nitrate (NO3-)
Ionic Bond Sodium cation (Na+) and chloride anion (Cl-) Sodium cation (Na+) and nitrate anion (NO3-)
Common Uses Table salt, food preservative, road de-icing Fertilizer, explosives, food preservative

Sodium chloride is the combination of a sodium cation and a chloride anion, while sodium nitrate is the combination of a sodium cation and a nitrate anion.