What is the chemical equation for the reaction of excess CO2 with sodium silicate? What about a smal

1. Excess carbon dioxide reacts with water glass (molar ratio 2:1 or more):

2CO2 + Na2SiO3 + 2H2O==2NaHCO3 + H2SiO3 NaHCO3 is produced by sodium carbonate continuing to absorb excess CO2) 2, a small amount of carbon dioxide reacts with water glass:

That is, 1:1 to 2:1: CO2 + Na2SiO3 + H2O==Na2CO3 + H2SiO3

strong acid to weak acid".

3. Blow a very small amount of CO2 into the concentrated water glass solution to generate a small amount of sodium hydrogen trisilicate monohydrate precipitate and sodium carbonate (roughly understood, a small amount of CO2 is still written according to formula 2):

5CO2 + 6Na2SiO3 (concentrated) + 3H2O=== "NaHSIo3" is a non-existent compound, which is immediately hydrolyzed into sodium hydrogen trisilicate and silicic acid in contact with water).

Na2SiO3 + CO2 + H2O = Na2CO3 + H2SiO3 (when Najan CO2 is less modulus).

Na2SiO3 + 2CO2 + 2H2O = 2NaHCO3 + H2SiO3 (when CO2 is in excess).

1 All Na2SiO3 + CO2 + H2O = = Na2CO3 + H2SiO3 (when CO2 is small).

Na2SiO3+ 2CO2 + 2H2O = =2NaHCO3 + H2SiO3 (when CO2 is in excess).

1 All water glass is the common name of sodium silicate, and carbon dioxide reacts with it as follows:

Na2SiO3 + CO2 + H2O = H2SiO3 + Na2CO3, the essence of which is that carbon dioxide dissolves in water and becomes carbonic acid and then metacomposes with sodium silicate, which is caused by the acidity of carbonate is stronger than that of silicic acid and the solubility of silicic acid is small and easy to precipitate.

na2sio3+co2+h2o=h2sio3↓+na2co3

Or write it as na2siO3+co2+2h2o=h4siO4 +na2co3 is also true.

When there is an excess of CO2, Na2CO3 produces NaHCO3

H2SO4 as written in chemistry books is colloidal!

1. Excess carbon dioxide reacts with water glass (molar ratio 2:1 or more):

2CO2+Na2SiO3+2H2O==2NaHCO3+H2SiO3 NaHCO3 is generated by the downstream sodium carbonate Shenpeng source continuing to absorb excess CO2)2, a small amount of carbon dioxide reacts with water glass:

That is, 1:1 to 2:1: CO2 + Na2SiO3 + H2O==Na2CO3 + H2SiO3

strong acid to weak acid".

3. Blow a very small amount of CO2 into the concentrated water glass solution to generate a small amount of sodium hydrogen trisilicate monohydrate precipitate and sodium carbonate (roughly understood, a small amount of CO2 is still written according to formula 2):

5CO2 + 6Na2SiO3 (concentrated) + 3H2O==="NaHSIo3" is a non-existent compound, which is immediately decomposed into sodium hydrogen trisilicate and silicic acid when exposed to water).

1. Excess carbon dioxide reacts with water glass (molar ratio of 2:1 or more):

2CO2+Na2SiO3+2H2O==2NaHCO3+H2SiO3 NaHCO3 is generated by sodium carbonate continuing to absorb excess CO2)2, a small amount of carbon dioxide reacts with water glass:

That is, 1:1 to 2:1: CO2 + Na2SiO3 + H2O==Na2CO3 + H2SiO3

strong acid to weak acid".

Na2SiO3+ CO2 + H2O = Na2CO3 + H2SiO3 (CO2 in small amounts)

Na2SiO3 + 2CO2 + 2H2O = 2NaHCO3 + H2SiO3 (when CO2 is in excess).

1. Excess carbon dioxide mold acacia.

Reaction with Dan Bo Friends Silver to Water Glass (Mole Ratio 2:1 or more):

2CO2 + Na2SiO3 + 2H2O==2NaHCO3 + H2SiO3 NaHCO3 is sodium carbonate of the following formula.

continues to absorb excess CO2 generated).

2. A small amount of carbon dioxide reacts with water glass:

That is, 1:1 to 2:1: CO2 + Na2SiO3 + H2O==Na2CO3 + H2SiO3

Strong. weak acid" principle).