opic: Transmittance and absorbance, lambert-beer law Ketorolac Tromethamine (C15H13NO3 • C4H11NO3) has an absorbance of 0.615 at 318.6 nm and 1 cm optical path in 3.5 µg / mL concentration solutions. A 2.9252 g sample from a tablet is diluted with water to 250 mL. They take 25 mL add 3.0 mL of 0.1 N H2SO4 and dilute to 500 mL. A 10 mL aliquot is taken and diluted to 200 mL. Of the latter solution, the absorbance at 318.6 nm is measured, resulting in 0.523. Calculate the milligrams of Ketorolac Tromethamine for each compressed. Fact: Average weight of 6 tablets equals 1924.5 mg

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Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
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Topic: Transmittance and absorbance, lambert-beer law

Ketorolac Tromethamine (C15H13NO3 • C4H11NO3) has an absorbance of 0.615 at 318.6 nm and 1 cm optical path in 3.5 µg / mL concentration solutions.

A 2.9252 g sample from a tablet is diluted with water to 250 mL. They take 25 mL add 3.0 mL of 0.1 N H2SO4 and dilute to 500 mL. A 10 mL aliquot is taken and diluted to 200 mL.

Of the latter solution, the absorbance at 318.6 nm is measured, resulting in 0.523. Calculate the milligrams of Ketorolac Tromethamine for each compressed.

Fact: Average weight of 6 tablets equals 1924.5 mg

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