Asked by Andrea
isotope chromium -51 has a half life of 28 days. If the original sample had a mass of 28.0 grams, what mass of chromium -51 sample remains after 84 days?
Answers
Answered by
DrBob222
k = 0.693/t<sub>1/2</sub>
Substitute and solve for k and use k in the equation below.
ln(No/N) = kt
No = 28
N = ?
k from above
t = 84 days.
Substitute and solve for k and use k in the equation below.
ln(No/N) = kt
No = 28
N = ?
k from above
t = 84 days.
Answered by
Raghad
The isotope chromium-51 has a half-life of 28 days. If the original sample had a mass of 28.0 grams, what mass of the chromium-51 sample remains after 84 days?
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