1) A radioactive substance decays at a rate proportional to the amount of the substance at...

1) A radioactive substance decays at a rate proportional to the amount of the substance at present time. Initially 200 grams of a the substance was present and remain 80% of the initial amount after 2 hours.

A.) Determine the amount of the substance remaining after 10 hours (counted in grams)

B.) Determine the time that 60% of the initial amount of the substance has decayed (counted in hours)

Expert Solution

Colby Messinger answered 2 years ago

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