Physics, asked by harsh8649, 10 months ago

Radioactive 57C0 has a half-life of 270 days. (1mCi=3.7×107 Bq. N0=6.023×1023 mol-1

)

(1) How long will it take for a source of activity A to decrease its activity to A/8?

(2) How many mCi is the radioactivity of 2g pure 57C0?

Answers

Answered by mangasaini71810

0

please mark my answer as brain list

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