why we write Na²So⁴ why we write na²
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Answer:
because It is a scientific name Na2So4 so we don't write na2
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Whenever forming a formula of chemical compound
We always need to look after the Valencies of the elements
Here the valency of Na=1
And that of SO^4 = 2
Therefore by cross cross method we write SO^4 only with Na2
Making Na2SO4
We always need to look after the Valencies of the elements
Here the valency of Na=1
And that of SO^4 = 2
Therefore by cross cross method we write SO^4 only with Na2
Making Na2SO4
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