What is Na2SiO3? Important knowledge about Na2SiO3

  1. Definition of Na2SiO3:
    Na2SiO3, also known as Sodium silicate or Silicate of Sodium. It is a chemical substance with an atomic mass of 122.0622, and a molar mass of 122.0622 g/mol. The structure of Na2SiO3 consists of 2 Sodium atoms (Na), 1 Silicon atom (Si), and 3 Oxygen atoms (O). The ionic structure of Na2SiO3 contains 2 sodium ions (Na+) and 1 silicate ion (SiO32-).

  2. Properties of Na2SiO3:
    2.1 Physical properties of Na2SiO3: This substance usually exists in a solid state, with a white or pale blue color. It has no distinctive odor. Regarding pH level, Na2SiO3 typically has a neutral or slightly alkaline pH.
    2.2 Chemical properties of Na2SiO3: Na2SiO3 has the ability to react with acid substances, forming silicate salts and CO2 gas.

  3. Common chemical equation of Na2SiO3:
    Specifically, Na2SiO3 can react with HCl acid according to the equation Na2SiO3 + 2HCl -> 2NaCl + SiO2 + H2O.

  4. Synthesis of Na2SiO3:
    Na2SiO3 can be synthesized through the thermolysis process of NaOH and SiO2 at high temperatures, or through the reaction of NaOH with SiO2 in water solution. On an industrial scale, Na2SiO3 is usually produced by heating SiO2 (silica sand) with NaOH (lye) at high temperatures.

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