The initial activity of a certain isotope is 1385 cpm. After 27.0 minutes, the activity is...

Question

Question

The initial activity of a certain isotope is 1385 cpm. After 27.0 minutes, the activity is 246 cpm.

a.) What is the rate constant?

b.) What is the half life?

c.) What is the activity after 48 minutes?

science chemistry

Answer 1

Answer #1

Answer 2

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