Potassium-40 (0.0118% in KCl) has t₁/₂ = 1.27 × 10⁹ years. Calculate disintegrations per second in 1 g KCl.
University of Ilorin CHM101 practiceOwulade past question
- 1.57 s⁻¹
- 157 s⁻¹
- 0.157 s⁻¹
- 15.7 s⁻¹
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