answer the question and take refference https://dosya.co/wmfmvm094aj8/Problem_Solutions_1.pdf.htmlhttps://dosya.co/mdfd0olz4g6i/Problem_Solutions2.pdf.html 4. a) Co60 has a half-life of 5.2 years.i. Calculate the disintegration constant?ii. Calculate the activity of a 1-gram sample of Co®, and express this activityin Curies.b) If the half-life of Nd144 is 2.4x10'5 years, how long does it take for Nd'44 to drop to10 % of its initial activity?NA= 6.02x1023 atoms/mol ,MA (Co0) = 59.93 g/mol , MẠ (Nd144)= 143.91 g/mol

Answered: 4. a) Co" has a half-life of 5.2 years.…

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how would you do this? this is a non graded practice worksheet
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