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CuSO4.5H2O: number of hydrogen-bonded water molecules

The same question, asked 2 times: 2021 Paper 10, 2021 Paper 22. Every wording below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2021 Paper 10

    39
    The secondary valency and the number of hydrogen bonded water molecule(s) in CuSO4⋅5H2OCuSO_{4}\cdot 5H_{2}O, respectively, are:

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  2. Question 2

    2021 Paper 22

    57
    The number of hydrogen bonded water molecule(s) associated with stoichiometry CuSO4⋅5H2OCuSO_{4}\cdot 5H_{2}O is