Problem: The first-order decay of radon has a half-life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initially weighs 250.0 grams?A. 183 gB. 76.3 gC. 67.5 gD. 54.8 gE. 4.21 g

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The first-order decay of radon has a half-life of 3.823 days. How many grams of radon remain after 7.22 days if the sample initially weighs 250.0 grams?

A. 183 g

B. 76.3 g

C. 67.5 g

D. 54.8 g

E. 4.21 g