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4 August, 05:58

What is the concentration of nitrate ion in a 425 mL solution containing 32.0 g of Mg (NO3) 2 (M = 148.3) ?

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  1. 4 August, 08:23
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    There are a number of ways to express concentration of a solution. This includes molarity. Molarity is expressed as the number of moles of solute per volume of the solution. Calculations are as follows:

    Molarity of NO3 ion = 32.0 g Mg (NO3) 2 (1 mol / 148.3 g) (2 mol NO3 / 1 mol Mg (NO3) 2) /.425 L

    MOlarity of NO3 ion = 1.02 M
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