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The protein bovine serum albumin (BSA) has a MW of about 66,400. Using the Lambert-Beer Law, calculate the concentration of a sample of BSA with an absorbance at 280 nm of 1.3, assuming the molar extinction coefficient at 280 nm is 43,824 M⁻¹cm⁻¹. A) 0.51 mg/mL B) 0.86 mg/mL C) 1.97 mg/mL D) 2.56 mg/mL E) 3.78 mg/mL
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