The salinity in sea water varies from place to place and from time to time. One widely used reference* gives the following averages: sodium, 1.05 g/litre and chlorine (predominantly chloride ions), 1.90 g/litre.
________________
*Handbook of Chemistry and Physics, 66th Ed., page F-148.
Sodium is used in salt. Chlorine, small amounts are used in drinking water.
Sodium is dangerous because it is an Alkali metal which is HIGHLY reactive with water. Chlorine is dangerous because it forms a strong acid with water.
Chlorine is extracted from the salts. The most common salt is used for making chlorine is sea water. The sea water mostly consists Sodium chloride.
In Australia we use Chlorine gas, but also (as I recall) sodium hypochlorite if we dose the water in a reservoir.
salt is also called sodium chloride. sodium is a mineral on the periodic table, and so is chlorine. sodium + chlorine gas = salt sodium and chlorine are fatally dangerous, but when put together, they make something completely harmless and useful.
When NaCl is placed in water, the sodium and chlorine dissociate, giving you ions of chlorine which are negatively charged, and sodium ions which are positively charged. There is no reaction when sodium chloride is placed in water.
The source of chlorine; salt, chlorine is found in a combined state with sodium to form normal salt which is present in the ocean. Please view the related link for details.
Water
A chemical difference is that sodium reacts with water to make an alkali, and chlorine plus water give acids. A physical difference is that sodium is a solid at room temperature and chlorine is a gas.
Sodium is used in salt. Chlorine, small amounts are used in drinking water.
Hydrogen and Oxygen H20 is the element compound of water.
The source of chlorine; salt, chlorine is found in a combined state with sodium to form normal salt which is present in the ocean. Please view the related link for details.
Electrolysis of a water solution: sodium hydroxide, hydrogen, chlorine..Electrolysis of molten NaCl: sodium, chlorine.
Chlorine doesn't explode when mixed with water. Pool water has chlorine in it. I think you meant sodium mixed with water, which does explode.
Sodium chloride contain chlorine and sodium.
When solid sodium chloride is placed in water, water molecules form bonds to the sodium and chlorine ions. Since these bonds are quite strong compared to the ionic bonds, the sodium and chlorine are pulled apart. The result is sodium and chlorine atoms surrounded by a hydration shell (group of water molecules).
Sodium is dangerous because it is an Alkali metal which is HIGHLY reactive with water. Chlorine is dangerous because it forms a strong acid with water.