Question

4 -0,1075X - 0.036 Name: Table #1: Calibration Data mg/L Molarity max= 630 nm STD #1 STD #2 STD #3 Absorbance -0. 176 0400 -0.606 Table #2: Concentration of Blue Dye #1 in Commercial Products Absorbance Molarity mg/L (cuvette) Dilution Factor mg/L (original) Blue Cleaner Blue Mouthwash Blue Gatorade 0.36 0.528 0.170 Post-Lab Problems y = 0.1075X-0.036 1. Calculate the absorptivity (a) using A-abc and the molar absorptivity (€) using A=cbc for each of the 3 standards in the table below. Record the molar absorptivity in scientific notation. If the 3 i made correctly, all the values for "a" will be the same, and all the values for e will

Answer 1

From the cali bration dota, you hare ploted and obtas'ned the equohon to find the inknawn conentratton The <quotion ih- o76x mL) - d.G3 A losas bance - Blue cleaner A-babanc = o. 36 a. 36 .o3 O 3 mg L d.1676 = 3. 6) mg | L Abnor bac o.528 Blue mauthworh a.52 8 G. a3 5 2t 6 3-6 ma L - 5.24 ma|- atanade Blue ALAabanu s o.176 17 o1076 ,o3 J.1o my L O.1o7