A student performed the experiment you’ll be performing, and obtained the following information:?
• The standard curve generated from his data is y=16.943x+0.0077 (absorbance on the y-axis and concentration on the x-axis
• Mass of unknown nickel salt he used to prepare 25 mL of solution: 0.269g.
• Absorbance reading of unknown nickel salt solution (at appropriate wavelength): 0.445.
Calculate the mass% of Nickel.