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What is the composition of salts?
Chemically, table salt consists of two elements, sodium (Na) and chloride (Cl). Neither element occurs separately and free in nature, but are found bound together as the compound sodium chloride.
What are the characteristics of salts?
Salt is a chemical compound with a number of interesting properties:
- Crystals or white crystalline powder.
- Transparent and colourless in crystalline form – rather like ice.
- Crystallises in the isometric system, usually in the form of cubes.
- Soluble in water (35.6g/100g at 0°C and 39.2g/100g at 100°).
What is the composition of sodium chloride?
Sodium chloride , commonly known as salt (although sea salt also contains other chemical salts), is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions. With molar masses of 22.99 and 35.45 g/mol respectively, 100 g of NaCl contains 39.34 g Na and 60.66 g Cl.
What terms describe the composition of a substance?
The chemical composition of a pure substance corresponds to the relative amounts of the elements that constitute the substance itself. It can be expressed with a chemical formula, such as an empirical or molecular formula.
What are the composition of substance?
Chemical composition can be defined as the arrangement, ratio, and type of atoms in molecules of chemical substances. The chemical composition will vary if chemicals are subtracted or added from a substance. That is when the ratio of the substance changes or when chemical changes occur in the chemicals.
How do you describe salt in chemistry?
salt, in chemistry, substance produced by the reaction of an acid with a base. A salt consists of the positive ion (cation) of a base and the negative ion (anion) of an acid. The term salt is also used to refer specifically to common table salt, or sodium chloride.