Question

Total valency of na2co3​

Answer 1

Explanation:

Valency is applicable only to elements - not compounds. It is not possible to assign valency to the compound Na2CO3. 500 ml of sodium carbonate solution contain 2.65 gram of sodium carbonate

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Answer 2

Explanation:

The valency

of Na2 is one +

The valency

of CO3 is two -

So the total valency

of Na2CO3 is

Valency of Na2

+ Valency of CO3

= 1+2- = 1-