What is the ratio of concentrations of acetate ion and undissociated acetic acid in a solution that has a pH of 5.12?
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What is the ratio of concentrations of acetate ion and undissociated acetic acid in a solution that has a pH of 5.12?
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- What is the pH of a solution that has OH– concentration of 10-9 M?How much water must be added to 300 mL of an aqueous solution of 0.2 M acetic acid in order to double the degree of ionization? Take the acid ionization constant of acetic acid to be 1.8 x 10-5.What is the pH of a solution of 100 ml of 0.01 M H3PO4 and 100 ml of 0.01 M Na3PO4?
- Consider the following pH titration curve of a diprotic acid. What is the approximate values for pka 1 and pka 2? the curve is attached below.What are the molarity and the normality of a solution made by dissolving 25 g of citric acid (triprotic, C6H5O7H3) in enough water to make 800 mL of solution?for 0.9% NaCl solution and 10% NaCl solution, which one has higher concentration of WATER?
- What is the pH of a solution of 4.1 x 10-8 M NaOH in otherwise pure water?Given the titration curve of the hypothetical polyprotic acid X at 0.100 M concentration (pKa1=4.0, pKa2=8.0, pKa3=12.0) titrated with 0.600 M NaOH, identify the pH at point C, H, E, and M.If you added three proteins (Protein A, pI 5.0; Protein B, pI 6.0; Protein C, pI 7.0) to an anion exchange column equilibrated with bicine buffer, pH 8.5, in what order would these protein be expected to elute as the column was loaded, washed, and then increasing amounts of NaCl were added?