Table of Contents
What are the properties of sodium sulphate?
Properties of Sodium Sulphate
| Molecular formula | Na2SO4 |
|---|---|
| Melting point | 884oC (anhydrous), 32.40C (decahydrate) |
| Density | 2.664gm/ml (anhydrous), 1.464gm/ml (decahydrate) |
| Refractive index | 1.468 (anhydrous), 1.394 (decahydrate) |
| Solubility | Soluble in water, glycerol and hydrogen iodide and insoluble in ethanol |
How do you identify sodium sulfate?
To test for Sulfate Ions
- Add sodium sulfate solution to the test-tube until the tube is 1/3 full.
- Add barium chloride solution drop wise.
- A white precipitate indicates a sulfate ion.
What elements are in sulfate?
Sulphate is basically a chemical compound that is composed of sulphur and oxygen atoms. Sulphate forms salts with a variety of elements including potassium, sodium, calcium, magnesium and barium. In chemistry, sulphate or sulfate is taken to be an inorganic ion or polyatomic anion.
Which of following is not compound?
Chlorine gas, Iron Powder, Aluminium foil, Iodine vapour, graphite and diamond are not compounds.
Is sulfate ionic or covalent?
The Lewis structure for the sulfate ion consists of a central sulfur atom with four single bonds to oxygen atoms. This yields the expected total of 32 electrons. Since the sulfur atom started with six valence electrons, two of the S-O bonds are coordinate covalent.
Is sodium and sulfate an ionic bond?
Sodium Sulfate is an ionic compound formed by two ions, Sodium Na+ and Sulfate SO−24 . Therefore, it will take two +1 sodium ions to balance the one -2 sulfate ion.
What are the properties of sodium sulfate?
Physical properties. Sodium sulfate has unusual solubility characteristics in water. Its solubility in water rises more than tenfold between 0 °C to 32.384 °C, where it reaches a maximum of 49.7 g/100 mL. At this point the solubility curve changes slope, and the solubility becomes almost independent of temperature.
What is the ionic compound formula of sodium sulfate?
Sodium sulfide, another ionic compound, has the formula Na 2 S . This formula indicates that this compound is made up of twice as many sodium ions as sulfide ions. This section will teach you how to find the correct ratio of ions, so that you can write a correct formula.
What is the density of sodium sulfate?
Sodium sulfate has a density of 2.664 g/cm3 (anhydrous) and 1.464 g/cm3 (decahydrate). Its melting points are 884°C (anhydrous) and 32.4°C (decahydrate). Boiling point of sodium sulfate is 1429°C (anhydrous).