Find the pH of 0.20 M imidazole. Image result for imidazole
The base protonation constant K, of 1-H-imidazole (CHN) is 9.0x 10, Calculate the pH of a 0.39 M solution of 1-H-Imidazole at 25 °C. Round your answer to 1 decimal place. pH = 0 XI ?
a) Calculate the pH of a buffer that is 0.20 M NH3 and 0.20 M NH4Cl Correct? b) Calculate the pH after addition of 10 mL 0.10 M HCl to 65 mL of the buffer? c) Calculate the pH after addition of 5 mL of 1.0 M LiOH to 200 mL of the buffer?
Find the pH of a 0.20 M aqueous solution of hypochlorous acid, HClO for which Ka = 2.95 × 10–8. A. 6.47 B. 7.53 C. 9.88 D. 4.11 E. None of the above
16.17. Calculate the ph of the nh3 0.20 m/nh4cl 0.20 M dampening system. What is the Ph of the buffer dissolution after adding 10.0 ml of HCl 0.10 M to 65.0 ml of the dampening system.
Calculate the ratio of imidazole to the imidazolium ion in a solution at pH 7.4.
Calculate the ph of a solution prepared by mixing 1.00g of imidazole (FW 6.8077) with 1.00g of imidazole hydrochloride (pKa= 6.993, FW 104.538) and diluted to 100.0 ml
Calculate the pH of a 0.20 M NH3/0.20 M NH4Cl buffer after the addition of 25.0 mL of 0.10 M HCl to 65.0 mL of the buffer.
Enter your answer in the provided box. Calculate the pH of a 0.20 M NH3/0.20 M NH4CI buffer after the addition of 25.0 mL of 0.10 M HCl to 65.0 mL of the buffer.
5. Calculate the pH of 0.20 M Ba(OH)2 (aq) and 0.20 M NaOH (aq). Should they be the same? Why or why not?
Calculate all equilibrium concentrations and the pH of each of the following solutions. a. 0.20 M NaCHO_2 (sodium formate) b. 0.20 M NaC_7 H_5 O_2 (sodium benzoate) c. 0.20 M NaNO_3 (Partial answers: (a) pH = 8.52: (b) pH = 8.74: (c) pH = 7.00)