The chemical formula of sodium carbonate is: Options: A . &nbsp N a C O 2 B . &nbsp N a C O 3 C . &nbsp N a 2 C O 3 D . &nbsp N a 3 C O 2

The chemical formula of sodium carbonate is:

Question

The chemical formula of sodium carbonate is:

Options:

A .

N a C O_{2}

B .

N a C O_{3}

C .

{N a}_{2} C O_{3}

D .

{N a}_{3} C O_{2}

Answer: Option C
:
C

The constituent ions present in sodium carbonate are $N a^{+}$ and ${CO}_{3}_{3}^{2 -}$

Symbol: Na $C O_{3}$

Charge: +1 -2

To balance the charges, we cross multiply the valencies and get the chemical formula of sodium carbonate as ${N a}_{2} C O_{3}$ .

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