Calcium Nitrate Formula, Molar Mass and Properties

Calcium nitrate is a chemical compound. And this molecular formula is Ca(NO3)2. And it is a white color crystalline solid and soluble in water and alcohol. When heated calcium nitrate decomposes and releases nitrogen dioxide.

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Calcium Nitrate Molar Mass

The molar mass of calcium nitrate (Ca(NO3)2) is calculated by add the atomic masses of its constituent atoms.

Calcium Nitrate, Formula, Molar Mass and Properties

Calcium (Ca): 40.08 g/mol.

Nitrogen (N): 14.01 g/mol.

Oxygen (O): 16.00 g/mol.

Therefore, calculate the molar mass of calcium nitrate as follows:

(1 × 40.08) + (2 × 14.01) + (6 × 16.00) = 164.09 g/mol

So the molar mass of calcium nitrate is 164.09 g/mol.

Calcium Nitrate Properties 

Calcium nitrate is a colorless, odorless, and crystalline compound that has the following properties.

1. It is highly soluble in water. And it is also soluble in methanol and ethanol.

2. It can be heated up to the boiling point of 132 °C without decomposing. And it disintegrates before it melts.

3. It is hygroscopic, meaning it readily absorbs moisture from the air.

4. Its density is 2.504 g/cm3.

5. It is an oxidizing agent, which may cause combustion or increase the intensity of a fire.

6. It is used as a fertilizer.

7. It is also used in the production of wastewater treatment, concrete additives, and other chemicals.

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Calcium Nitrate use as a Fertilizer

Calcium nitrate is a fertilizer that provides both calcium and nitrogen nutrients to plants. It is used to improve the quality and yield of crops that are prone to calcium deficiency, such as tomatoes, peppers, and strawberries.

It is soluble in water, which makes it easily available to plants. These are applied to the soil as dry granular fertilizers, or as liquid fertilizers through fertigation, which is the application of fertilizers through irrigation systems. Calcium nitrate can also be used as a foliar spray, where it is applied directly to plant leaves.

Chemical Properties Definition, And Examples 

One of the advantages of using it as a fertilizer is that it is less likely to cause plant burns or damage to plant roots than other nitrogen fertilizers such as ammonium nitrate. Calcium nitrate also has a neutral pH, which helps maintain the pH balance of the soil.

Percentage Composition of Calcium in Calcium Nitrate

The chemical formula of calcium nitrate is Ca(NO3)2 and its molar mass is 164.09 g/mol.

The atomic mass of calcium is 40.08 g/mol, and one molecule of calcium nitrate contains one calcium atom.

Determine the percentage composition of calcium in calcium nitrate, calculating the ratio of the atomic mass of calcium to the molar mass of calcium nitrate.

Calcium % = (Atomic Mass/Molar Mass) x 100

=(40.08 / 164.09) x 100% = 24.4%

The percentage composition of calcium in calcium nitrate is 24.4%.

Calcium Nitrate is Added to Sodium Hydroxide Solution

When calcium nitrate is added to sodium hydroxide solution, a double displacement reaction occurs forming calcium hydroxide [Ca(OH)2] and sodium nitrate (NaNO3).

Ca(NO3)2 + 2 NaOH → Ca(OH)2 + 2 NaNO3

In this reaction, the calcium cation (Ca2+) from calcium nitrate (Ca(NO3)2) replaces the sodium cation (Na+) from sodium hydroxide (NaOH), resulting in the formation of calcium hydroxide and sodium nitrate.

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