Part 1: Absorption Spectra of the Acidic and Basic Forms of BCG

B=] / [HB-] = (Amix- AHB-)/ (AB= - Amix)

Sample # at 616.0 nm 0.003% BCG (mL) 0.2M NaOAc (mL) .0.2M HOAc (mL) 0.2M HCl (mL) [BCG] (M) Absorbance reading

Filled two disposable cuvettes with 1ml of 0.003% BCG each.

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Approximate Word count = 1129
Approximate Pages = 5 (250 words per page double spaced)