negative charge density on anion of magnesium sulphite is
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-2 .....is the negative charge density on an ion of magnesium
sulphite
MgSO4 is an inorganic salt with a chemical name Magnesium sulfate. It is also known as Sulfuric acid magnesium salt or Magnesium sulfate anhydrous. It is commonly referred to as Epsom salt. Magnesium sulfate is a crystalline solid that has a white appearance and is odorless. It is majorly used as a bath soak to get rid of sore muscles, to ease the pain of sprains and bruises, etc. It also helps in the removal of splinters and is quite effective.
Properties of Magnesium sulfate – MgSO4
MgSO4 Magnesium sulfate
Molecular Weight/ Molar Mass 120.366 g/mol
Density Anhydrous: 2.66 g/cm3
Taste Bitter taste, Saline
Melting Point 1,124 °C
It is important to note that anhydrous magnesium sulfate undergoes decomposition at temperatures above 1124 degrees Celsius. Since MgSO4 is an ionic salt, it exhibits high solubility in water. It can also be noted that the solubility of magnesium sulfate in water increases when the temperature is increased. For example, the solubility of anhydrous MgSO4 in water at a temperature of 0 oC is 269 grams per litre. When the temperature is increased to 100 oC, the solubility of this ionic salt in water almost doubles to 502 grams per litre.
Magnesium sulfate is known to be a component of many double salts (ionic salts containing more than one cation or more than one anion). Commonly known double salts containing MgSO4 include potassium magnesium sulfates and sodium magnesium sulfates. Under standard conditions for temperature and pressure (STP), MgSO4 exists as a white crystalline solid which does not have any characteristic odour.
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