Chemistry, 16.12.2021 18:20 jungcoochie101

A sample of l-131 decays to 1.0 gram in 40.35 Days. What was the mass of the original sample? (half-life - 8.07 days) *
32 g
809
4.0 g
10 16g

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A sample of l-131 decays to 1.0 gram in 40.35 Days. What was the mass of the original sample? (hal...