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Consider the Reaction Cu2+(aq)+ 4 NH3(aq) Cu(NH3)42+(aq)

Question 41

Multiple Choice

Consider the reaction Cu2+(aq) + 4 NH3(aq) Consider the reaction Cu<sup>2+</sup>(aq) + 4 NH<sub>3</sub>(aq) Cu(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup>(aq) K<sub>f</sub> = 2.1 × 10<sup>13</sup> If the K<sub>sp</sub> for Cu(OH) <sub>2</sub> is 2.2 × 10<sup>-20</sup>,what is the value of the equilibrium constant,K,for the reaction below? Cu(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup>(aq) + 2 OH<sup>-</sup>(aq) Cu(OH) <sub>2</sub>(s) + 4 NH<sub>3</sub>(aq) A) 1.0 × 10<sup>-33</sup> B) 4.6 × 10<sup>-7</sup> C) 2.1 × 10<sup>13</sup> D) 2.2 × 10<sup>6</sup> E) 9.5 × 10<sup>32</sup> Cu(NH3) 42+(aq)
Kf = 2.1 × 1013
If the Ksp for Cu(OH) 2 is 2.2 × 10-20,what is the value of the equilibrium constant,K,for the reaction below?
Cu(NH3) 42+(aq) + 2 OH-(aq) Consider the reaction Cu<sup>2+</sup>(aq) + 4 NH<sub>3</sub>(aq) Cu(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup>(aq) K<sub>f</sub> = 2.1 × 10<sup>13</sup> If the K<sub>sp</sub> for Cu(OH) <sub>2</sub> is 2.2 × 10<sup>-20</sup>,what is the value of the equilibrium constant,K,for the reaction below? Cu(NH<sub>3</sub>) <sub>4</sub><sup>2+</sup>(aq) + 2 OH<sup>-</sup>(aq) Cu(OH) <sub>2</sub>(s) + 4 NH<sub>3</sub>(aq) A) 1.0 × 10<sup>-33</sup> B) 4.6 × 10<sup>-7</sup> C) 2.1 × 10<sup>13</sup> D) 2.2 × 10<sup>6</sup> E) 9.5 × 10<sup>32</sup> Cu(OH) 2(s) + 4 NH3(aq)


A) 1.0 × 10-33
B) 4.6 × 10-7
C) 2.1 × 1013
D) 2.2 × 106
E) 9.5 × 1032

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