Chemistry · Chemical Kinetics
The half-life of a first-order reaction is 20 seconds and the initial concentration of the reactant is 0.2 M. The concentration of the reactant left after 80 seconds is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.2 M
- 20.0125 M✓
- 30.05 M
- 40.1 M
Correct answer
0.0125 M
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