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16 March, 02:15

A. 1.0 liter of a 1.0 M mercury (II) chloride (HgCl2) solution

IMO)

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Answers (1)
  1. 16 March, 02:34
    0
    What mass of the following chemicals is needed to make the solutions indicated?

    Answer:

    271.6g

    Explanation:

    The mass of the chemicals need to make the needed solution can be derived by obtaining the number of moles first.

    Given parameters:

    Volume of solution = 1L

    Molarity of HgCl₂ = 1M

    number of moles of HgCl₂ = molarity of solution x volume

    = 1 x 1

    = 1 mole

    From;

    Mass of a substance = number of moles x molar mass;

    we can find mass;

    Molar mass of HgCl₂ = 200.6 + 2 (35.5) = 271.6g/mol

    Mass of the substance = 1 x 271.6 = 271.6g
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