in baso4 why there is no 2 ba even so4 has the valency of 2

Asked by Rony Joseph | 9th Jul, 2013, 07:10: PM

Expert Answer:

In BaSO4 , both Ba as well as SO4 have a valency of 2 each 
Ba           SO4
2               2.
Since they have a common valency. it cancells out and there is no need to mention 2 anywhere in the formula.

Answered by  | 10th Jul, 2013, 12:51: AM

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