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Based on the Kf values listed in table 17.1, calculate the concentration of NH3 required to dissolve 0.020 moles of NiC2O4 (Ksp = 4*10-10) in 1.00 L of solution.  You can neglect the hydrolysis of C2O42- because the solution will be basic.

Based on the Kf values listed in table 17.1, calculate the concentration of NH3 required to dissolve 0.020 moles of NiC2O4 (Ksp = 4*10-10) in 1.00 L of solution.  You can neglect the hydrolysis of C2O42- because the solution will be basic.

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ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Based on the Kf values listed in table 17.1, calculate the concentration of NH3 required to dissolve 0.020 moles of NiC2O4 (Ksp = 4*10-10) in 1.00 L of solution.  You can neglect the hydrolysis of C2O42- because the solution will be basic.  

TABLE 17.1 Formation Constants for Some Metal Complex Ions in Water at 25 °C Complex lon Chemical Equation Ag(NH3)2* 1.7 x 107 Ag*(aq) + 2 NH3(aq) Ag(NH3)2* (aq) Ag(CN)2 1 × 10²1 Ag*(aq) + 2 CN (aq) = Ag(CN), (aq) 3- Ag(S,O3) 2.9 x 1013 Ag*(aq) + 2 S20-(aq) Ag(S,O3)- (ag) Al(OH)4 1.1 × 1033 Al3+ (aq) + 4 OH (aq) = Al(OH)4¯(aq) CdBr?- 5 x 103 Cd² *(aq) + 4 Br (aq) CdBr? (aq) :- Cr(OH)4 8 x 1029 Cr3+(aq) + 4 OH (aq) Cr(OH) (aq) Co(SCN),?- 1 x 103 Co2*(aq) + 4 SCN (aq) Co(SCN)?- (aq) 2+ Cu(NH3)?* 5 x 1012 Cu²+(aq) + 4 NH3 (aq) = Cu(NH3)2* (aq) Cu(CN),?- 1 x 1025 Cu² *(aq) + 4 CN (aq) 2 Cu(CN),+ (aq) Ni(NH3),* 2+ 1.2 x 10° Ni²*(aq) + 6 NH3 (aq) = Ni(NH3),²* (aq) Fe(CN), Fe(CN), (aq) 4- 4- 1 x 1035 Fe2*(aq) + 6 CN (aq) Fe(CN),- 1 x 1042 Fe*(aq) + 6 CN (aq) = Fe(CN),- (aq) Zn(OH),- 4.6 x 1017 Zn2*(aq) + 4 OH (aq) = Zn(OH),- (aq)
Transcribed Image Text:TABLE 17.1 Formation Constants for Some Metal Complex Ions in Water at 25 °C Complex lon Chemical Equation Ag(NH3)2* 1.7 x 107 Ag*(aq) + 2 NH3(aq) Ag(NH3)2* (aq) Ag(CN)2 1 × 10²1 Ag*(aq) + 2 CN (aq) = Ag(CN), (aq) 3- Ag(S,O3) 2.9 x 1013 Ag*(aq) + 2 S20-(aq) Ag(S,O3)- (ag) Al(OH)4 1.1 × 1033 Al3+ (aq) + 4 OH (aq) = Al(OH)4¯(aq) CdBr?- 5 x 103 Cd² *(aq) + 4 Br (aq) CdBr? (aq) :- Cr(OH)4 8 x 1029 Cr3+(aq) + 4 OH (aq) Cr(OH) (aq) Co(SCN),?- 1 x 103 Co2*(aq) + 4 SCN (aq) Co(SCN)?- (aq) 2+ Cu(NH3)?* 5 x 1012 Cu²+(aq) + 4 NH3 (aq) = Cu(NH3)2* (aq) Cu(CN),?- 1 x 1025 Cu² *(aq) + 4 CN (aq) 2 Cu(CN),+ (aq) Ni(NH3),* 2+ 1.2 x 10° Ni²*(aq) + 6 NH3 (aq) = Ni(NH3),²* (aq) Fe(CN), Fe(CN), (aq) 4- 4- 1 x 1035 Fe2*(aq) + 6 CN (aq) Fe(CN),- 1 x 1042 Fe*(aq) + 6 CN (aq) = Fe(CN),- (aq) Zn(OH),- 4.6 x 1017 Zn2*(aq) + 4 OH (aq) = Zn(OH),- (aq)
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