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Chemistry

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Consider 125 mL of 0.110 M MgCl2 solution.
a. How many moles of MgCl2 are contained in 125 mL of 0.0110 M MgCl2?
b. What is the concentration of Mg2+ ion?
c. What is the concentration of Cl- ion?

  • Chemistry -

    moles MgCl2 = M x L = ??
    b. Since there is 1 atom Mg per molecule of MgCl2, the concn Mg = concn MgCl2.
    c. Since there are two atoms Cl per molecule of MgCl2, the concn of Cl ions is twice that of MgCl2 or Mg.

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