astoriajones1395 astoriajones1395

23-01-2024
Chemistry

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The half-life period of the radioactive element A is 10 days. The amount of A left at the end of the 11th day, starting with 1 mole A, is (1/2)⁶10 mole. What is the value of n?

a) 620
b) 611
c) 600
d) 605

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