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Because sodium is a stronger reducer than carbon, so carbon cannot reduce sodium ions.

Actually, according to the Kirk-Othmer Encyclopedia of Chemical Technology, sodium salts can be reduced by carbon at elevated temperatures. This is actually how sodium metal was initially mass-produced. Note the following reactions between graphite and sodium hydroxide and carbonate:

2 C + 6 NaOH --> 2 Na2CO3 + 3 H2 + 2 Na

2 C + Na2CO3 --> 2 Na + 3 CO

I'm not sure about the required temperature for the reaction between carbon and NaOH, but I know that the one between carbon and sodium carbonate can only take place at roughly 1100 C.

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14y ago

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Does sodium hydroxide absorb carbon dioxide?

Yes, sodium hydroxide does absorb carbon dioxide from the atmosphere. When exposed to carbon dioxide, sodium hydroxide reacts to form sodium carbonate and water.


How do you find solubility value of carbon dioxide in sodium hydroxide?

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How do you find solubility of carbon dioxide in sodium hydroxide?

To find the solubility of carbon dioxide in sodium hydroxide, you can conduct an experiment where you bubble carbon dioxide gas through a solution of sodium hydroxide and measure the amount of carbon dioxide that dissolves in the solution. You can then calculate the solubility of carbon dioxide in sodium hydroxide by dividing the amount of CO2 that dissolves by the volume of the solution.


What is the use Sodium hydroxide?

Sodium hydroxide is use to absorb carbon dioxide.


Why is sodium hydroxide contaminated with sodium carbonate?

Sodium hydroxide is typically contaminated with sodium carbonate due to exposure to carbon dioxide in the air. Sodium hydroxide readily absorbs carbon dioxide, which can react with the sodium hydroxide to form sodium carbonate. This contamination can affect the purity and concentration of the sodium hydroxide solution.


What is the reaction of sodium hydroxide with carbon dioxide?

When sodium hydroxide reacts with carbon dioxide, it forms sodium carbonate and water. This reaction is a type of neutralization reaction.


Can sodium hydroxide absorb carbon dioxide?

Yes, sodium hydroxide (NaOH) can absorb carbon dioxide (CO2) through a process called carbonation. When sodium hydroxide reacts with carbon dioxide, it forms sodium carbonate (Na2CO3) and water. This reaction is often used in industrial processes to capture and sequester carbon dioxide emissions.


Which chemical can absorb carbon dioxide?

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Why sodium hydroxide reacts with carbon dioxide?

Sodium hydroxide reacts with carbon dioxide to form sodium carbonate and water. This reaction is a type of neutralization reaction, where the strong base (sodium hydroxide) neutralizes the acidic carbon dioxide to form a salt (sodium carbonate) and water.


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Why sodium hydroxide solution contains sodium carbonate?

Sodium hydroxide solution may contain sodium carbonate due to the absorption of carbon dioxide from the atmosphere. Sodium hydroxide can react with carbon dioxide to form sodium carbonate over time, especially if the solution is exposed to air. This can result in a small amount of sodium carbonate being present in the solution.


Which compound is used to remove carbon dioxide from air?

Sodium hydroxide (NaOH) is commonly used to remove carbon dioxide from air. When sodium hydroxide reacts with carbon dioxide, it forms sodium carbonate and water, effectively removing the carbon dioxide from the air.