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A solution is prepared by dissolving 12.15 g of nickel (II) nitrate in 175 mL of water (density = 1.00 g/mL).

(a) What is the mass percent of nickel (II) nitrate in the solution?

(b) What is the mole fraction of nickel (II) ions in the solution?

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Brian Hingpit
Brian HingpitLv10
17 Nov 2020

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Determine the mole fraction of nickel(II) chloride in a 5.54 M aqueous solution of nickel(II) chloride. The density of the solution is 1.28 g mL-1.

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