Asked by Josh

If the half-life of a first-order decomposition reaction is 24.2 minutes, how long will it take for 10.0 moles of the reactant to decompose so that only 2.5 mol remains?
Answered by DrBob222
k = 0.693/t<sub>1/2</sub>
ln(No/N) = kt
No = 10.0
N = 2.50
K from above.
Solve for t in minutes.
Answered by Anonymous
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Answered by Anonymous
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Answered by Anonymous
36.3
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