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A saturated solution is prepared at 70^(...

A saturated solution is prepared at `70^(circ)C` containing `32.0g CusO_(4).5H_(2)O per 100 g` solution. A `335 g` sample of this solution is then cooled to `0^(circ)C` so that. `CuSO_(4).5H_(2)O` crystallises out. If the concentration of a saturated solution at `0^(circ)C` is `12.5g CuSO_(4).5H_(2)O per 100.0 g` solution, how much of `CuSO_(4).5H_(2)O` is crystallised?

Text Solution

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The correct Answer is:
`74.47 g`;
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Knowledge Check

  • CuSo_(4) . 5 H_(2)O is a

    A
    solution of a solid in a liquid.
    B
    solution of liquid in a solid
    C
    salt only and cannot be called a solution
    D
    coordination compound of copper with water molecules as the ligands.

  • In solid CuSO_(4).5H_(2)O

    A
    `Cu^(2+)` ion is coordinate bonded to four water molecules
    B
    One `H_(2)O` molecule is `H-` bonded
    C
    It has four types of bonds, Ionic, covalent, coordinate and H- bond
    D
    Five molecules of `H_(2)O` are coordinate bonded to `Cu^(2+)`

  • In solid CuSO_(4).5H_(2)O

    A
    Five molecules of `H_(2)O` are coordinate bonded to `Cu^(2+)`
    B
    `Cu^(2+)` ion is coordinate bonded to four water molecules
    C
    One `H_(2)O` molecule is H-bonded
    D
    It has four type of bonds : Ionic, covalent, coordinate and H-bond

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