The formula for sodium carbonate is:

NaCO₂

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na₂CO₃

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Na₂CO₃

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Na₃CO₂

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Solution

The correct option is C
Na₂CO₃

For sodium carbonate, we have Na and $C O_{3}$ as its constituent molecules.

Symbol: Na $C O_{3}$

Valency: +1 -2

By criss-crossing the valencies we get the chemical formulae of sodium carbonate as ${N a}_{2} C O_{3}$ .

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Similar questions

Q. The formula of sodium carbonate is

N a_{2} C O_{3}

The equations given below relate to the manufacture of sodium carbonate (Molecular weight of Na₂CO₃ = 106).
NaCl + NH₃ + CO₂ + H₂O $\overset{}{\to}$ NaHCO₃ + NH₄Cl
2NaHCO₃ $\overset{}{\to}$ Na₂CO₃ + H₂O + CO₂
Questions (a) and (b) are based on the production of 21.2 g of sodium carbonate.
(a) What mass of sodium hydrogen carbonate must be heated to give 21.2 g of sodium carbonate (Molecular weight of NaHCO₃ = 84)?
(b) To produce the mass of sodium hydrogen carbonate, calculate what volume of carbon dioxide, measured at STP would be required?

C O_{2}

gas along with solid (Y) is obtained when sodium salt (X) is heated. (X) is again obtained when

C O_{2}

gas is passed into aqueous solution of (Y). Identify (X) & (Y) respectively

Q. What mass of sodium carbonate,

N a_{2} C O_{3}

is needed to make 120 mL of a 1.5 M solution? (Given formula weight of sodium carbonate = 106 amu)

Q. The common name of sodium carbonate (

N a_{2} C O_{3}

) is washing soda.

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The formula for sodium carbonate is:

The correct option is C Na2CO3 For sodium carbonate, we have Na and CO3 as its constituent molecules. Symbol: Na CO3 Valency: +1 -2 By criss-crossing the valencies we get the chemical formulae of sodium carbonate as Na2CO3.

The correct option is C
Na₂CO₃

For sodium carbonate, we have Na and $C O_{3}$ as its constituent molecules.

Symbol: Na $C O_{3}$

Valency: +1 -2

By criss-crossing the valencies we get the chemical formulae of sodium carbonate as ${N a}_{2} C O_{3}$ .