Chemistry, 27.01.2022 15:50 brandicarney70p8jlsp
The half-life of Rn-222 is 3.823 day. What was the original mass if 0.0500 g remains after 7.646 day?
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The half-life of Rn-222 is 3.823 day. What was the original mass if 0.0500 g remains after 7.646 day...
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