The rate constant for a first order reaction is `60s^(-1)`. How much time would it take to reduce 1g of the reactant to `0.0625` g

The rate constant for a first order reaction is 60s^-1 . How much time will it take to reduce the concentration of the reactant to 1//16^(th) of its initial value?

The rate constant for a first order reaction is 60s^-1 . How much time will it take to reduce the concentration of the reactant to 1//16^(th) of its initial value?

The rate constant for the first order reaction is 60s^(-1) . How much time will it take to reduce the concentration to reactant to 1/10 th of initial value ?

The rate constant for a first order reaction in 60S^(-1) . How much time will it take to reduce the concentration of the reactant to 1/(20^(th)) of its initial value ?