the composition of calcium carbonate (caco3)in soft water
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Their are two types of water hardness. Temporary and permanent hardness. ... The calcium and magnesium hardness is the concentration of calcium and magnesium ions expressed as equivalent of calcium carbonate. The molar mass of CaCO3, Ca2+ and Mg2+ are respectively 100,1 g/mol, 40,1 g/mol and 24,3 g/mol.
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The composition of calcium carbonate (caco3) in soft water is 30 to 60 milligrams of CaCO3 per litre.
- Soft water is the water that is free from dissolved salts of such metals as calcium, iron, or magnesium, which form insoluble deposits such as appear as scale in boilers or soap curds in bathtubs and laundry equipment.
- Calcium carbonate is a dietary supplement used when the amount of calcium taken in the diet is not enough. Calcium is needed by the body for healthy bones, muscles, nervous system, and heart. Calcium carbonate also is used as an antacid to relieve heartburn, acid indigestion, and upset stomach.
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