The phosphorus isotope 32P (half life: 14.3 days) is used in biochemical studies to determine the pathways of phosphorus atoms in living organisms. Its presence is detected through its emission of β- particles. (a)What is the decay constant for expressed in the unit s-1 (b)What is the activity of a 1.00 mg sample of (that is, how many atoms

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The phosphorus isotope 32P (half life: 14.3 days) is used in biochemical studies to determine the pathways of phosphorus atoms in living organisms. Its presence is detected through its emission of β- particles.

(a)What is the decay constant for expressed in the unit s-1

(b)What is the activity of a 1.00 mg sample of (that is, how many atoms disintegrate per second)?

(c) Approximately what mass of will remain in the original 1.00 mg sample after 57 days?

(d)What will be the rate of radioactive decay after 57 days?

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