Aluminum Nitrate, Formula, Molar Mass, Uses and Properties

Aluminum nitrate is a chemical compound that appears as a white or colorless crystalline solid. Its molecular formula is Al(NO3)3 and it is highly soluble in water. It is commonly used in the production of other aluminum compounds such as aluminum hydroxide and aluminum oxide, it is a strong oxidizing agent and reacts violently with reducing agents. Therefore, proper protection should be adopted when using aluminum nitrate.

Aluminum Nitrate Molar Mass

We calculate the molar mass of aluminum nitrate (Al(NO3)3) by adding the atomic mass numbers of its constituent elements.

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Aluminum Nitrate, Formula, Molar Mass, Uses and Properties

The atomic mass of aluminum (Al) is 26.98 g/mol. The atomic mass of nitrogen (N) is 14.01 g/mol. The atomic mass of oxygen (O) is 16.00 g/mol.

The molar mass of aluminum nitrate is: 

3 x (14.01 g/mol for nitrogen + 3 x 16.00 g/mol for oxygen) + 26.98 g/mol for aluminum = 3 x (14.01 g/mol + 48.00 g/mol) + 26.98 g/mol = 3 x 62.01 g/mol + 26.98 g/mol = 186.03 g/mol + 26.98 g/mol = 213.01 g/mol.

The molar mass of aluminum nitrate is 213.01 g/mol.

Aluminum Nitrate Chemical formula

The chemical formula for aluminum nitrate is Al(NO3)3.

Chemical Structure 

The structure of aluminum nitrate is described as a network of Al3+ ions surrounded by nitrate (NO3-) ions. Each aluminum ion is surrounded by six oxygen atoms, which form an octahedral coordination geometry around the central aluminum ion.



    O -- -   N- -- O

    ||     ||

    O        O



Aluminium Nitrate Properties

The physical and chemical properties of aluminum nitrate are as follows:

Physical Properties of Aluminium Nitrate:

Appearance: It is a white crystalline solid. 

Odor: It is odorless. 

Density: Its density is 1.72 g/cm³. 

Melting point: 73 °C (163 °F). 

Boiling point: 135 °C (275 °F). 

Solubility: Easily soluble in water and ethanol.

Chemical Properties of Aluminium Nitrate:

Chemical formula: Al(NO3)3. 

Molecular weight: 213.01 g/mol. 

Acidic or Alkaline: Acidic it is. 

Reactivity: It is a strong oxidizing agent, and it reacts with reducing agents. It is also corrosive and causes severe skin and eye irritation.

Stability: Aluminum nitrate is stable under normal conditions, but it decomposes when heated or in the presence of other chemicals.

Aluminum Nitrate Uses

1. It is used as a powerful oxidizing agent and it is used as a corrosion inhibitor.

2. It is used in water treatment plants to remove impurities from water. It is used as a coagulant in water treatment plants to help remove organic matter.

3. Aluminum nitrate is used as a catalyst, used to speed up the rate of reactions in chemical processes.

4. These are used in the dyeing and printing of cloth.

5. It is used in the production of antiperspirants to help reduce sweat production and prevent body odor.

6. It is used as a preservative of wood.

7. It is a Tanning of leather.

8. It is a production of explosives.

9. It is used in agriculture as a fertilizer to provide nitrogen essential nutrients to plants.

Aluminum nitrate ionic or covalent

Aluminum nitrate (Al(NO3)3) is an ionic compound. It is formed by the transfer of electrons from the aluminum cation (Al3+) to the nitrate ion (NO3-), the aluminum cation having a positive charge, while the nitrate ion has a negative charge. The overall compound is neutral because the charges of the cations and anions balance each other out

What is another name for aluminum nitrate?

Another name for aluminum nitrate is tri-ammonium dinitratodialuminate and aluminum salt.

Is aluminum nitrate a salt?

Yes, it is an aluminum salt.

What is the pH of aluminum nitrate?

the pH of aluminum nitrate is about 2.8 to 3.8.

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