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Given 100ml (0.1 L) of 2.5M Mg(NO3)2. What is the molarity of the Mg2 ion once the Mg(NO3)2 is dissolved, the molarity of the NO3- ion once the Mg(NO3)2 is dissolved. How many moles of Mg(No3)2 are in this 0.1L portion? How many grams of Mg(NO3)2 was measured out to make this solution?

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