Post a New Question


posted by on .

a sample of a radioisotope had a mass of 100.0 grams. After exactly 24 days, 6.25 grams remained. The half life of the isotope is _________

  • chemistry - ,

    ln(No/N) = kt
    No = 100
    N = 6.25
    t = 24 days.
    Solve for k, then substitute into the equation below.
    k = 0.693/t1/2 and solve for t1/2

Answer This Question

First Name:
School Subject:

Related Questions

More Related Questions

Post a New Question