Chemistry, 05.11.2020 22:00 kayla941

Question 21 (3 points) Fluorine-20 has a half-life of 11 seconds. How long does it take for 34.0 g of Fluorine-20 to decay to 2.13 g?
(Answer with numbers only 2 significant figures. No unit.)

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Question 21 (3 points) Fluorine-20 has a half-life of 11 seconds. How long does it take for 34.0 g...