A lake in Upstate New York has been significantly affected by acid rain. The current pH of the lake is 4.72 and organisms in the lake have been severely impacted by elevated aluminum concentrations. Assume that the aluminum concentrations in the water are controlled by the following reactions: Al(OH)3(s) = Al³+ + 30H- A13+ + OH AIOH2+ H2O H++ OH- Ksp = 3.0 x10-34 K₁ = 2.8 ×108 Kw = 1.01 x10-14 a) Find the equilibrium concentration of [A13+] in the lake. μmol/L b) Find the total dissolved aluminum concentration, Al, in units of μg Al/L. μg Al/L

A lake in Upstate New York has been significantly affected by acid rain. The current pH of the lake is 4.72 and organisms in the lake have been severely impacted by elevated aluminum concentrations. Assume that the aluminum concentrations in the water are controlled by the following reactions: Al(OH)3(s) = Al³+ + 30H- A13+ + OH AIOH2+ H2O H++ OH- Ksp = 3.0 x10-34 K₁ = 2.8 ×108 Kw = 1.01 x10-14 a) Find the equilibrium concentration of [A13+] in the lake. μmol/L b) Find the total dissolved aluminum concentration, Al, in units of μg Al/L. μg Al/L

Chemistry & Chemical Reactivity

10th Edition

ISBN:9781337399074

Author:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Publisher:John C. Kotz, Paul M. Treichel, John Townsend, David Treichel

Chapter17: Principles Of Chemical Reactivity: Other Aspects Of Aqueous Equilibria

Section17.6: Equilibria Involving Complex Ions

Problem 2.1ACP: Phosphate ions are abundant in cells, both as the ions themselves and as important substituents on...

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The pigment cyanidin aglycone is one of the anthocyanin molecules that gives red cabbage (Brassica oleracea var. capitata f. rubra) its characteristic red coloration. Many chemistry students have used this red cabbage indicator to study acid-base chemistry. Estimate tire pH range at which cyanidin agly-cone shows a color change. Anth-H(aq) Anth(aq) + H+ (aq) Ka = 1.3 107
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