Half life

Determine the half life of bismuth, when bismuth weight from the original weight of 32 g was only 2 grams in 242 minutes.

Correct answer:

t =  60.5 min

Step-by-step explanation:

320.5242/t=2 16=2242/t ln16=242/tln2 ln16/ln2=242/t t=60.5 min

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