Answer on Other Chemistry Question for Tom
use the standard addition method. In this case, a 4.236 g tablet was dissolved in sufficient
0.10M HCl to give 1.00 L. Dilution of 20.00 mL aliquot to 100 mL yielded a solution
that gave reading of 448 at 347.5 nm. A second 20.00 mL aliquot was mixed with 10 mL
of 50 ppm quinine solution before dilution to 100 mL. The fluorescence intensity of this
solution was 525. Calculate the percentage of quinine in the tablet.
quinine in water,and then compare your values with its graph
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