1.1.1 The common name of Na2W2O7 is Sodium Tungstate Oxide, also known as Sodium Tungstate Dihydrate in English.
1.2, 1.3 The molecule Na2W2O7 consists of 2 sodium atoms (Na), 2 tungsten atoms (W), and 7 oxygen atoms (O). The molecular mass of Na2W2O7 in Daltons is approximately 489.92 Daltons.
1.4 In Na2W2O7, Na+ and W2O72- are the two main ions.
2.1 Physically, Na2W2O7 typically exists as a white, odorless powder. This substance has a neutral pH when dissolved in water.
2.2 Chemically, Na2W2O7 has the properties of a salt, and it can react with acids to form new compounds.
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Na2W2O7 is commonly used in chemical reactions such as determining the concentration of phosphate in solutions, transforming organic substances, and creating other tungsten compounds.
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The preparation of Na2W2O7 is usually performed through the reaction between Tungsten trioxide (WO3) and Sodium hydroxide (NaOH) at high temperatures. In industry, Na2W2O7 is produced from tungsten ore through a series of refining and purification processes.