Question

The chemical formula of calcium salt is Cax. What is the formula of its potassium and Aluminium salt??
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Answer 1

For potassium, it will be K2x

For aluminium, it will be Al2x3

Answer 2

as the calcium salt has formula CaX

thus the valence of X is 2

the potassium salt will have formula K2X

where as aluminium salt will have the formula Al2X3

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