What is the concentration of the Cu²⁺(aq) ion in a 0.015 M Cu(NO₃)₂ solution that is also 1.0 M NH₃? The Kf for Cu(NH₃)₄²⁺ = 4.8 x 10¹² .
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What is the concentration of the Cu²⁺(aq) ion in a 0.015 M Cu(NO₃)₂ solution that is...
What is the concentration of Cu2+ (aq) in a solution that was originally 0.015 M Cu(NO3)2 and 0.1M NH? The Cu2+ ion forms the complexion Cu (NH3)42-K-4,9x10 12 Show your calculations.
What is the OH ion concentration in a 4.8 x 10-2 M KOH solution? 2.1 x 10-13 M 4.8 x 10-2 M 1.0 x 10-7 M 4.8 x 10-12 M What is E' for the following balanced reaction? Fe(s) + Cu2+(aq) Fe2+ (aq) + Cu(s) Standard Reduction Potential Half-reaction Fe2+ (aq) + 2e Fe(s) Cu2+ (aq) + 2e Cu(s) -0.44 40.34 O +.010 +0.78 0 -0.78 -0.1
please help What is the approximate concentration of free Cu* ion at equilibrium when 1.57x102 mol copperII) nitrate is added to 1.00 L of solution that is 1.380 M in NH3. For [Cu(NH3)4j2, Kf 2.1 1013 [Cu2 м What is the approximate concentration of free Fe2* ion at equilibrium when 1.42x102mol iron(II) nitrate is added to 1.00 L of solution that is 1.38so M in CN. For [Fe(CN)6]4, Kf=1.0x1035 [Fe"]= In the presence of excess OH, the Al*(aq) ion forms...
A metal ion M forms a stable complex with the ligand X: M + (aq) + 4 X (aq) ⇌ M (X) 4+ (aq) Kf = 1.0 ∙ 10^20 In a solution where [M +] = 0.100 M and [X] = 0.800 M before reaction, what is [X] at equilibrium?
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)
2. The Ksp of Cu2S is 1.0 x 10-48. What concentration of Cu+ (aq) is needed to begin precipitation of Cu>S(s) from a 2.0 x 10 15 m s%(ag) solution?
What is the “free” silver ion concentration in a solution that was (pre-equilibrium) 0.10M AgNO3(aq) and 0.50M NH3(aq)? Kf for [Ag(NH3)2]+ = 1.7x107.
What is the hydroxide ion concentration in a 0.030 M solution of HNO3 (aq) at 25˚C? A. 3.0 x 10^-5 B. 7.5 x 10^-10 C. 3.3 x 10^-13 D. 4.5 x 10^-11 E. 3.0 x 10^-2
9) What is the H+ ion concentration in a 4.8 x 10–2 M KOH solution? A) 4.8 x 10–2 M B) 1.0x 10–7 M C) 2.1 x10–13 M D) 4.8 x 10–11 M 10) HA is a weak acid. Which equilibrium corresponds to the equilibrium constant Kb for A-? A) HA (aq) + H2O (l) H2A+ (aq) + OH-(aq) B) A- (aq) + H3O+ (aq) C) HA (aq) + OH- (aq) H2O (l) + H+ (aq) HA (aq) + H2O...
Switch Voitmeter Salt bridge Cu(s) Pb(s) 1.0 M Pb."(aq) 1.0 M Cu(aq) [ Pb(s)+Cu(aq) Pb(aq)+Culs) a) When the switch is closed, which electrode will become heavier? Check the correct answerls) Neither Pb nor Cu Both Pb and Cu Cu Pb b) Which direction will the electrons flow? From Pb through the voltmeter to Cu From Cu through the voltmeter to Pb From Pb through the salt bridge to Cu From Cu through the salt bridge to Pb c) Which metal...