a) Nickel (II) chloride dissolves in water to form a lightgreen solution. What s
ID: 680017 • Letter: A
Question
a) Nickel (II) chloride dissolves in water to form a lightgreen solution. What species (ions) are present in solution i.e.,what is "swimming around" in the aqueous solution? writh theformulas. b) Sodium phosphate dissolves in water to form a colorlesssolution. What species(ions) are in solution? Write theformulas. c)When solutions of nickel(II) chloride and sodium phosphateare combined, a green nickel (II) phosphate precipate forms. Whatspecies remain in solution (spectator ions)? What is the color ofthe solution (assume stoichiometric amounts of nickel (II) chlorideand sodium phosphate). Explain. a) Nickel (II) chloride dissolves in water to form a lightgreen solution. What species (ions) are present in solution i.e.,what is "swimming around" in the aqueous solution? writh theformulas. b) Sodium phosphate dissolves in water to form a colorlesssolution. What species(ions) are in solution? Write theformulas. c)When solutions of nickel(II) chloride and sodium phosphateare combined, a green nickel (II) phosphate precipate forms. Whatspecies remain in solution (spectator ions)? What is the color ofthe solution (assume stoichiometric amounts of nickel (II) chlorideand sodium phosphate). Explain.Explanation / Answer
(a) Nickel chloride dissolves readily in water. So, the speciespresent in solution are Ni+ and Cl- (b) The species in solution are Na+ andPO43- (c) Ni3(PO4)2 is the greenprecipitate. The species remains are Na+ andOH-. if all the nickels are involve in the production ofprecipitate, the solution should be colourless. Hope this helps!
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