Calculate the equilibrium concentration for [FeSNC]²+ with a positive 2 charge, if the absorbance is 0.195 and the temperature is 25 degrees Celsius in Chemistry. Which of the following statements is true?
a) The equilibrium concentration cannot be determined with the given information.
b) The equilibrium concentration is directly proportional to the temperature.
c) The equilibrium concentration is inversely proportional to the molar absorptivity.
d) The equilibrium concentration can be calculated using the Beer-Lambert law formula.
