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?

Answer 1

k = 0.693/t_1/2
ln(No/N) = kt
No = 10.0
N = 2.50
K from above.
Solve for t in minutes.

Answer 2

test

Answer 3

ettgd

Answer 4

36.3