The sodium salt of 2-quinizarinsulfonic acid (NaQ) forms a complex with Al 3+ that absorbs strongly at

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The sodium salt of 2-quinizarinsulfonic acid (NaQ) forms a complex with Al³⁺ that absorbs strongly at 560 nm.19 The data collected on this system are shown in the accompanying table.

(a) Find the formula of the complex from the data. In all solutions, c_A1 = 3.7 x 10^-5 M, and all measurements were made in 1.00-cm cells.

(b) Find the molar absorptivity of the complex.

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Fundamentals Of Analytical Chemistry

ISBN: 9780357450390

10th Edition

Authors: Douglas A. Skoog, Donald M. West, F. James Holler, Stanley R. Crouch

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Question Posted: May 10, 2022 01:39 AM

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The sodium salt of 2-quinizarinsulfonic acid (NaQ) forms a complex with Al 3+ that absorbs strongly at

Question:

Q. M As60 1.00 x 10-5 0.131 2.00 X 10-5 0.265 3.00 x 103 4.00 x 10-5 5.00 X 10-5 6.00 X 105 8.00 X 10$ 1.00 X 104 0.396 0.468 0.487 0.498 0.499 0.500

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Fundamentals Of Analytical Chemistry

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