A first order reaction has a specific reaction rate of 10–2 second–1. How much time will it take for 20 g of the reactant to reduce to 5 g?
A. 138.6 second
B. 346.5 second
C. 693.0 second
D. 238.6 second
Answer:A
A first order reaction has a specific reaction rate of 10–2 second–1. How much time will it take for 20 g of the reactant to reduce to 5 g?
A. 138.6 second B. 346.5 second C. 693.0 second D. 238.6 second