MCQ
A certain zero order reaction has rate constant $0.025\ M \ s^{-1}$. What will be the concentration of reactant $'A\ '$ after $15$ seconds, if initial concentration is $0.50 M$?
- ✓$0.125 M$
- B$0.060 M$
- C$0.375 M$
- D$0.50 M$
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