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Consider a fictional radioisotope X (311.1766 amu) a. If a 0.750 g sample of X-311 releases 5.75 x 1016 alpha particles in 7.5 minutes, what is the half-life? p. If a sample initially contains 34.5 mg of X-311, how much X-311 will remain after 17 minutes have passed (use the half-life from part b to answer this question). What is the activity of 9.5 mg of X-311 (use the half-life from part b).

Consider a fictional radioisotope X (311.1766 amu) a. If a 0.750 g sample of X-311 releases 5.75 x 1016 alpha particles in 7.5 minutes, what is the half-life? p. If a sample initially contains 34.5 mg of X-311, how much X-311 will remain after 17 minutes have passed (use the half-life from part b to answer this question). What is the activity of 9.5 mg of X-311 (use the half-life from part b).

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4. Consider a fictional radioisotope X (311.1766 amu) a. If a 0.750 g sample of X-311 releases 5.75 x 1016 alpha particles in 7.5 minutes, what is the half-life? b. If a sample initially contains 34.5 mg of X-311, how much X-311 will remain after 17 minutes have passed (use the half-life from part b to answer this question). C. What is the activity of 9.5 mg of X-311 (use the half-life from part b).
Transcribed Image Text:4. Consider a fictional radioisotope X (311.1766 amu) a. If a 0.750 g sample of X-311 releases 5.75 x 1016 alpha particles in 7.5 minutes, what is the half-life? b. If a sample initially contains 34.5 mg of X-311, how much X-311 will remain after 17 minutes have passed (use the half-life from part b to answer this question). C. What is the activity of 9.5 mg of X-311 (use the half-life from part b).
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