Question

What is the formula of blue vitriol
CuSO4.7H2O
CuSO4.5H2O
FeSO4.7H2O
FeSO4.H2O​

Answer 1

Answer:

CuSO4.5H2O

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Answer 2

AnswCuSO4.5H2Ois the correct answer

Explanation:

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