Palladium-107 Undergoes β Decay (T_1/2 = 6

question 22

Multiple Choice

Palladium-107 undergoes β decay (t_1/2 = 6.5 × 10⁵ yr) to form silver-107. How long will it take for 0.150 mol of silver-107 to form from 1.25 mol of palladium-107?

• A)2.0 × 10 ⁷ y
• B)1.4 × 10 ⁷ y
• C)1.2 × 10 ⁶ y
• D)8.3 × 10 ⁵ y
• E)1.2 × 10 ⁵ y

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