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Write the ionization constant expression for a 50 mM aniline solution (pKb=9.40 @ 25 C).
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- find the pH of a 0.30M solution of sodium benzoate ,NaC7H5O2.Kb for the benzoate ion C7H5O2 is 1.55 x 10^-10ther acid dissociation constant of hydrocyanic acid (HCN) at room temp is 4.9 X 10^-10. what is the pH of an aqueous solution of 0.080 M sodium cyanide?Calculate the degree of dissociation (%) for a 0.10 M aqueous solution of hydrogen cyanide (HCN) at a temperature, where its acid constant value is pKHCN = 9.2.
- 1.What is the percent relative uncertainty of pH of a 0.1861(±0.0004) molar solution of HCl? pH=−logMHclThe acid-dissociation constant of hydrocyanic acid (HCN) at 25.0°C is 4.9 x 10 -10. What is the pH of an aqueous solution of 0.080 M sodium cyanide (NaCN)?The ionization constant of acetic acid HC2H3O2 is 1.8 x 10-5. What will be the pH of a 0.10 M HC2H3O2 solution which is 0.10 M in NaC2H3O2
- For a solution that is 0.20 M in oxalic acid (H2C2O4), write the reactions for the ionization of this diprotic acid. The acid ionization constants are Ka1= 6.5 x 10^-2 and Ka2= 6.1 x 10^-5. Calculate the pH, [HC2O4-] and [C2O42-].Calculate the pH of a solution made by dissolving 1.87g of sodium caproate (NaC6H11O2) in water and diluting it toa total volume of 500mL. For the caproate ion, Kb=7.58 x 10^-10The pH of an aqueous solution of pyridine (C5H5N) is 10.0 at room temperature. What is the initial molar concentration of C5H5N, if its base ionization constant is: Kb = 1.7×10–9?
- Could a very dilute solution of a strong acid yield a pH above 7?The acid ionization constant (Ka) for HI is estimated to be 1 x 109. What is the value of Kb for I–From the fact that acetic acid (CH3COOH) is 1.30% ionized in 0.10M of aqueous solution, calculate Ionization constant of acetic acid Percentage ionization in 20M solution