Final answer:
The given equation does not provide enough information to solve the problem.
Step-by-step explanation:
In order to determine the required time for the concentration of the chemical to reach 42.46% of the inflow concentration using the Newton-Raphson Method, you would need the formula that relates the concentration of the chemical to time. The given equation does not provide enough information to solve the problem. It seems to contain some typos and incomplete information.