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10. 1-/5 Points] DETAILS 231 The hall-life of isotope 91 Pa is 32.76 years. Calculate the...

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10. 1-/5 Points] DETAILS 231 The hall-life of isotope 91 Pa is 32.76 years. Calculate the activity of 4e06 g of this isotope
10. 1-/5 Points] DETAILS 231 The hall-life of isotope 91 Pa is 32.76 years. Calculate the activity of 4e06 g of this isotope in Bq and Ct A- Bq and Am Find the activity of the sample ofer 47 years СА Submit Answer

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A = d.N Activity = 0.693 tie = 32.76 years ty ty2 = 1:0331x109 seconds 6 4x10 moles ý hopes. W = 4x100 23 x 6.022x10 231 A=0.

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