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).
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A solution is made 1.1 x 10-3 M in Zn(NO3)2 and 0.150M in NH3. After thw...
Consider the titration of a 40.0 ml. of 0.155 M weak acid HA (Ka = 2.7 x 10") with 0.100 M LiOH. What is the pH of the solution before any base has been added? L 4 points b What would be the pH of the solution after the addition of 200 ml of LiOH? 4 points How many mL of the LiOH would be required to reach the halfway point of the titration? 1 4 points points d What...
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?
Question 2 A solution contains 1.1 x 10-4 M in Zn2+ and 0.150 M in NH3. If the Kf for (Zn(NH3)4]2+ is 2.8*10%, how much zinc ion remains at equilibrium? Zn2+ + 4NH3 + [Zn(NH3)412+ A 8.9x10-12M B. 7.8 x1011 M C 8.7x10-10M 0.4.7x10-13 1.1x1019M
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-
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...
Determine the oxidation state and coordination number of the metal ion in each complex ion. [Cu(CN)2]1- [Ag(NH3)2]1+ [Cu(OH2)4]2+ [Pt(NH3)2Cl2] [Fe(CN)6]4- [Fe(OH2)6]2+ [Zn(CN)4]2- [Cd(NH3)4]2+ [Cu(CO)5] [CuCl5]3- [Fe(EDTA)]2- [Pt(en)2]2+
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
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.
A) , and in Co(NH3)4Cl 2]NO 3, the counter ion is In K 4[Fe(CN) 6], the counter ion is akt:cr b.kt; NO3- C. CN ; cr d. CN ; NO3 e. Fe2+, CO3+ B) How many ions are formed when [CO(NH 3) 5CICI 2 dissolves in water? a. 5 d. 4 e. 2 C) What is the oxidation state of the nickel atom in the Ni(CN) 53 complex ion? a. +1 b.+3 C. +2 d. +4 e. +0 ОООО oooo...
The complex ion Cu(NH3)42+ is formed in a solution made of 0.0100 M Cu(NO3)2 and 0.300 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 × 1013