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Chemistry, 24.07.2021 19:40 maggiegoodenough62

If a 520 mg sample of technetium-99 is used for diagnostic procedure, how much of Tc-99 remains after 30.0h? Half life of Tc-99 is 6.0 hours.

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If a 520 mg sample of technetium-99 is used for diagnostic procedure, how much of Tc-99 remains afte...
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