Question

The valencies of two elements A and B are given below:
Element Valency
A +2
B +3
a) What is the formula of sulphate of B ?
b) What is the formula of hydroxide of A ?

Answer 1

a) B2(SO4)3
b) AOH2
I m not sure bt it may be ryt

Answer 2

Hello dear ...here is ur answer.....
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a) B2(SO4)3
b) AOH2

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I hope this will help u.......☺️^-^☺️