Copper(1) ions in aqueous solution react with NH₂ (aq) according to Cut (aq) + 2NH₂ (aq) → Cu(NH3)2 (aq) Kf = 6.3 x 1010 Calculate the solubility (in g.L-¹) of CuBr(s) (Ksp = 6.3 x 10-2) in 0.87 M NH3(aq). solubility of CuBr(s): 2.50 x107 -3 Incorrect
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![**General Chemistry 4th Edition**
**McQuarrie · Rock · Gallogly**
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**University Science Books**
**presented by Macmillan Learning**
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**Problem Statement:**
Copper(I) ions in aqueous solution react with NH\(_3\)(aq) according to:
\[ \text{Cu}^+(\text{aq}) + 2 \text{NH}_3(\text{aq}) \longrightarrow \text{Cu(NH}_3\text{)}_2^+(\text{aq}) \hspace{1cm} K_f = 6.3 \times 10^{10} \]
Calculate the solubility (in g·L\(^{-1}\)) of CuBr(s) \((K_{sp} = 6.3 \times 10^{-9}\)) in 0.87 M NH\(_3\)(aq).
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**Answer:**
\[ \text{solubility of CuBr(s):} \hspace{1cm} 2.50 \times 10^{-3} \hspace{1cm} \text{g/L} \]
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