Option B
Question 2 A solution contains 1.1 x 10-4 M in Zn2+ and 0.150 M in NH3....
5. A solution is made 1.1 x 103 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2 (aq) remains?
A solution is made 1.1 x 10-3 M in Zn(NO3)2 and 0.150M in NH3. After thw solution reaches equilibrium, what concentration of Zn2+ (aq) remains? Look up the values of Kf in your book on page 779 (Table 17.3). Complex Ion K Complex Ion K 1.7 x 1013 Ag(CN)2 1 X 1021 Cu(NH3)4 Ag(NH3)2+ 1.7 x 107 1.5 x 1035 Fe(CN)64 Fe(CN)63 Ag(S203)23 2.8 x 1013 2 x 1043 AIF 3 7 x 1019 Hg(CN). 1.8 X 1041 Al(OH)4 3...
A solution is made that is 1.4×10−3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains? Express your answer using two significant figures.
When 1.8 x 10-3 mol of Zn is added to 300 mL of 1.5 M NH3, [Zn2+] = ___ M when the system reaches equilibrium. For [Zn(NH3)4]2+, Kf = 2.9 × 10^9.
When 20.0 mL of 0.200 M Zn(NO3)2 is added to 30.0 mL of 6.00 M NH3, the concentrationn of Zn2+ at equilibrium is 1.00 x 10-13. What should the Kf of Zn(NH3)42+ be reported as?
A solution is made that is 1.5×10−3 M in Zn(NO3)2 and 0.160 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains? Express your answer using two significant figures
ANSWER ALL PARTS 1. Determine the molar solubility of AgBr in a 0.50 M NH3 solution. The Ksp for AgBr is 5.0 x 10-13 and the Kf for Ag(NH3)2+is 1.7 x 107. 2. How many unpaired electrons are there in the Zn2+ ion in the Zn(NH3)62+ complex ion? 3. Which of the following complex ions will absorb the shortest wavelength of visible light? Ni(CN)64- Ni(NH3)62+ Ni(H2O)62+ NiCl64-
A solution contains 2.2 × 10-3 M in Cu2+ and 0.33 M in LiCN. If the Kf for Cu(CN)42- is 1.0 × 1025, how much copper ion remains at equilibrium? Which is the answer: 6.7 × 10-28 M 3.8 × 10-24 M 3.1 x 10-24 M 2.9 × 10-27 M 4.6 × 10-25 M Please show your work, thank you!
The complex ion Cu(NH3)42+ is formed in a solution made of 0.0300 M Cu(NO3)2 and 0.400 M NH3. What are the concentrations of Cu2+, NH3, and Cu(NH3)42+ at equilibrium? The formation constant*, Kf, of Cu(NH3)42+ is 1.70 x 1013 Suppose you have a solution that contains 0.0440 M Ca2+ and 0.0980 M Ag+. If solid Na3PO4 is added to this mixture, which of the following phosphate species would precipitate out of solution first? When the second cation just starts to precipitate, what percentage...
A solution contains 1.60×10-2 M zinc acetate and 1.60×10-2 M calcium nitrate. Solid potassium carbonate is added slowly to this mixture. What is the concentration of zinc ion when calcium ion begins to precipitate? Solubility product constant data is found in the Chemistry References. [Zn2+] = M