Consider the following equilibrium: Cu²+ (aq) + 4NH3(aq) Cu(NH3)4²+ (aq) (Kf = 4.8e+12) A solution is made by mixing 15.0 mL of 0.90 M CuSO4 and 1.00 L of 0.530 M NH3. Assume additive volumes to answer the following questions. Give all answers to three sig figs.

Principles of Modern Chemistry
8th Edition
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Chapter11: Solutions
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Parts B and C only

Consider the following equilibrium:
Cu²+,
(aq) + 4NH3(aq)
Cu(NH3)4²+
*(aq) (Kf = 4.8e+12)
A solution is made by mixing 15.0 mL of 0.90 M CuSO4 and 1.00 L of 0.530 M NH3. Assume additive volumes to answer the following questions. Give all answers to three sig figs.
a) What is the concentration of NH3 in the resulting solution?
[NH3] = 47
M
b) What is the concentration of Cu(NH3)42+ in the resulting solution?
[Cu(NH3)4²+] = 1.3e-2
X M
c) What is the concentration of Cu²+ in the resulting solution?
[Cu²+] = 3.7e-14
X M
Transcribed Image Text:Consider the following equilibrium: Cu²+, (aq) + 4NH3(aq) Cu(NH3)4²+ *(aq) (Kf = 4.8e+12) A solution is made by mixing 15.0 mL of 0.90 M CuSO4 and 1.00 L of 0.530 M NH3. Assume additive volumes to answer the following questions. Give all answers to three sig figs. a) What is the concentration of NH3 in the resulting solution? [NH3] = 47 M b) What is the concentration of Cu(NH3)42+ in the resulting solution? [Cu(NH3)4²+] = 1.3e-2 X M c) What is the concentration of Cu²+ in the resulting solution? [Cu²+] = 3.7e-14 X M
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