An easy way to assign the number of d-electrons (the “d count”) in a transition metal ion is to first look at the periodic t
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Explanation:
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In this case, since the molarity of magnesium chloride (molar mass = 95.211 g/mol) is 1.672 mol/L and we know the density of the solution, we can first compute the concentration in g/L as shown below:
Next, since the density of the solution is 1.137 g/mL, we can compute the concentration in g/g as shown below:
Which is also the by-mass fraction and in percent it turns out:
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