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March 28, 2017

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What is the molarity of each kind of ion in a solution of magnesium chloride that contains 29.0 g of magnesium chloride dissolved in enough water to make 1.73 L of solution?
MgCl2 Mg2+ + 2 Cl-

  • chemistry - ,

    mols MgCl2 = grams MgCl2/molar mass MgCl2.
    mols Mg = same as mols MgCl2.
    mols Cl = 2x mols MgCl2.
    M Mg = mols Mg/1.73 = ?
    M Cl = mols Cl/1.73 = ?

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