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Iodine-131 (half-life = 8.02 days) tracer with 214 counts per minute was added to water as iodide ion to measure plant growth.  After 30.0 days the counts per minute was measured to be 15.7 counts per minute.  How much I-131 tracer did the plant absorb?

Iodine-131 (half-life = 8.02 days) tracer with 214 counts per minute was added to water as iodide ion to measure plant growth.  After 30.0 days the counts per minute was measured to be 15.7 counts per minute.  How much I-131 tracer did the plant absorb?

Chemistry for Engineering Students
Chemistry for Engineering Students
4th Edition
ISBN:9781337398909
Author:Lawrence S. Brown, Tom Holme
Publisher:Lawrence S. Brown, Tom Holme
Chapter14: Nuclear Chemistry
Section: Chapter Questions
Problem 14.95PAE
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Iodine-131 (half-life = 8.02 days) tracer with 214 counts per minute was added to water as iodide ion to measure plant growth.  After 30.0 days the counts per minute was measured to be 15.7 counts per minute.  How much I-131 tracer did the plant absorb?

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