iPad 14:39 72% ncia.wwnorton.com One Millimole Of Ni(NO3)2 Dissolves In 230.0 ML

Question

iPad 14:39 72% ncia.wwnorton.com One Millimole Of Ni(NO3)2 Dissolves In 230.0 ML Of...I Ch K CH. 29 elisa.gorn le2507@? ???.csuci.edu 03/26/18 14 Question (2points) One millimole of Ni(NO3)2 dissolves in 250.0 mL of a solution that is 0.400 M in ammonia. The formation constant of Ni(NH36 is 5.5x10 Q See page 812 1st attempt Part 1 (1 pt) d See Periodic Table See Hint What is the initial concentration of Ni(NO3)2 in the solution Part 2 (1 pt) What is the equilibrium concentration of Ni2(aq) in the solution? SUBMIT

Explanation / Answer

Given

Ni(NO3)2 = 1 millimoles = 10-3 moles

Volume = 250 ml = 0.25 L

Concentration = No. of moles / Volume = 10-3 moles / 0.25 L = 4 * 10-3 mol/L Answer

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