Recent content by fbeaker

  1. fbeaker

    Spectrophotometric Determination of Fe2+ (Beer's Law)

    I am having troubles with a question I have to do for my chem pre-lab. The question is: The following intercept and slope were obtained for a Beer’s Law plot of Absorbance versus concentration (mg Fe2+/L). Slope = 0.2200 L/mg Fe2+ Intercept = 0.004 Calculate the percent (by mass) of iron in the...