zuleymacor5578 zuleymacor5578

22-02-2024
Chemistry

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Thallium-208 has a half-life of 3.053 min. How long will it take for 120.0g to decay to 7.50g?
a) 9.159 min
b) 12.212 min
c) 6.106 min
d) 15.265 min

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