If the Decay Constant for ¹³¹I Is 9

question 2

Multiple Choice

If the decay constant for ¹³¹I is 9.98 × 10^-7 s^-1,calculate the activity of a 1.00 mg sample.

• A)4.59 × 10¹² atoms/s
• B)4.73 × 10¹² atoms/s
• C)4.61 × 10²⁴ atoms/s
• D)9.98 × 10^-4 atoms/s

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