Q: The sodium salt of 2-quinizarinsulfonic acid (NaQ) forms
The sodium salt of 2-quinizarinsulfonic acid (NaQ) forms a complex with Al3+ that absorbs strongly at 560 nm19. The data collected on this system are shown in the accompanying table. a) Find the formu...
See AnswerQ: The accompanying data were obtained in a slope-ratio investigation of
The accompanying data were obtained in a slope-ratio investigation of the complex formed between Ni2+ and 1-cyclopentene-1-dithiocarboxylic acid (CDA). The measurements were made at 530 nm in 1.00-cm...
See AnswerQ: The accompanying absorption data were recorded at 390 nm in 1.
The accompanying absorption data were recorded at 390 nm in 1.00-cm cells for a continuous-variations study of the colored product formed between Cd2+ and the complexing reagent R. a) Find the ligand...
See AnswerQ: Palladium(II) forms an intensely colored complex at pH 3
Palladium(II) forms an intensely colored complex at pH 3.5 with arsenazo III at 660 nm.20 A meteorite was pulverized in a ball mill, and the resulting powder was digested with various strong mineral a...
See AnswerQ: Mercury(II) forms a 1:1 complex with triphenyltetrazolium
Mercury(II) forms a 1:1 complex with triphenyltetrazolium chloride (TTC) that exhibits an absorption maximum at 255 nm.21 The mercury(II) in a soil sample was extracted into an organic solvent contain...
See AnswerQ: Estimate the frequencies of the absorption maxima in the IR spectrum of
Estimate the frequencies of the absorption maxima in the IR spectrum of methylene chloride shown in Figure 24F-2. From these frequencies, assign molecular vibrations of methylene chloride to each of t...
See AnswerQ: The equilibrium constant for the conjugate acid-base pair /
The equilibrium constant for the conjugate acid-base pair is 8.00 x 10-5. From the additional information a) Calculate the absorbance at 430 nm and 600 nm for the following indicator concentrations...
See AnswerQ: a) Calculate E0 for the process / b
a) Calculate E0 for the process b) Use the shorthand notation to describe a cell consisting of a Ag/AgCl reference electrode and a lead indicator electrode that could be used for the measurement of p...
See AnswerQ: Predict the shape of photometric titration curves (after correction for volume
Predict the shape of photometric titration curves (after correction for volume change) if—at the wavelength selected—the molar absorptivities for the analyte A, the...
See AnswerQ: Describe the differences between the following pairs of terms, and list
Describe the differences between the following pairs of terms, and list any particular advantages of one over the other: a) Spectrophotometers and photometers. b) Single-beam and double-beam instrum...
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