A first order reaction has specific rate of `10^(-2)s^(-1)`. How much time will it take for 20 g of the reactant to reduce to 5 g?

First order reacton ha specific rate of 10^(-3) s ^(-1). How much time will it take for 10 g of the reactant to reduce to 5 g ?

The first order reaction has a specific rate 10^(-3) s^(-1) How much time will it take for 10 g of the reactant to reduce to 5 g ?

A first order reaction has a specific reaction-rate of 10^(-2)s^(-1) . How much time will it take for 20 g of the reactant to reduce to 5g-

A first order reaction has a specific reaction rate of 10^(-2) s^(-1) . How much time will it take for 20 g of the reactant to reduce to 5 g ?

A first order reaction has a specific reaction rate of 10^(-2) s^(-1) . How much time will it take for 20 g of the reactant to reduce to 5 g ?

A first order reaction has specific reaction rate 10^(-2)s^(-1) . How much time it will take for 20 g of reactant to reduce to 5 g?

A first order reaction has a specific rate of 10^(-3) "sec"^(-1) . How much time will it take from 10 g the rectant to reduce to 7.5 g (log 2 = 0.3010 , log 4= 0.6020 and log 6 = 7782 ) ?