A 01000-G Sample of Phosphorus-32 Has an Activity of 1

question 70

Multiple Choice

A 0.1000-g sample of phosphorus-32 has an activity of 1.056 * 10¹⁵ Bq.After seven days, what is the activity of the sample? Assume the molar mass of 32P is 32 g/mol and its half-life is 14.3 days.

• A)5.6 *10^-7 Bq
• B)0.34 Bq
• C)8.5 * 10⁸ Bq
• D)7.5 * 10¹⁴ Bq
• E)5.2 *10¹⁴ Bq

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