Question:
The Ksp for bismuth sulphide (Bi2S3) is 1.08 × 10–73. The solubility of Bi2S3 in mol L–1 at 298 K is
The Ksp for bismuth sulphide (Bi2S3) is 1.08 × 10–73. The solubility of Bi2S3 in mol L–1 at 298 K is
Updated On: Jul 6, 2024
- 1.0 × 10–15
- 2.7 × 10–12
- 3.2 × 10–10
- 4.2 × 10–8
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The Correct Option is A
Solution and Explanation
The correct option is(A): 1.0 × 10–15
\(Bi_2S3⇋2Bi^3+2s+3s^2-3s\)
Ksp = (2s)2(3s)3 = 108s5
108s5 = 108 × 10–75
s = 1.0 × 10–15 mol/L
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