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
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...
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
3. The Ksp for silver chloride is 1.8 x 10-10 at 25 °C. What is the solubility of silver chloride (in mol L"?) in 0.025 M tin(IV) chloride solution? a) 8.5 x 10-5 b) 6.7 x 108 c) 7.2 x 10-9 d) 1.8 x 10-9 e) 1.3 x 10-5 4. What is the concentration of Zn2+(aq) ions in the solution made by adding water to zinc nitrate (0.10 mol) and ammonia (3.0 mol) so that the final volume of solution...
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.
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?
Calculate the concentration of free Zn2+ ion at equilibrium when 1.90×10-2 mol zinc nitrate is added to 1.00 L of solution that is buffered at pH 12.30. For Zn(OH)42-, Kf = 4.6×1017.
5. A solution is made by mixing 200.0 ml of 1.5 x 10-4 M Cu(NO3)(aq) with 250.0 ml of 0.20 M NH3(aq). Calculate the concentration of copper ion (Cu? (aq)) in the solution when it reaches equilibrium. (Kr for [Cu(NH3)4]2+ = 1.7 x 1013)
15.0 mL of 0.50 M NaOH is added to a 100.-mL sample of 0.442 M NH3 (Kb for NH3 = 1.8 x 10–5). What is the equilibrium concentration of NH4+ ions?