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09-02-2024
Chemistry

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Half-life period of the radioactive element A is 10 days. The amount of A left on the end of the 11th day starting with 1 mole A is (1/2)ⁿ⁺⁶/¹⁰ mole. What is the value of n?
(a) 11
(b) 10
(c) 12
(d) 13

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