Which 0.1 M solution would be the most acidic?
What is the pH of a 0.010 M triethanolammonium chloride, (HO…
What is the pH of a 0.010 M triethanolammonium chloride, (HOC2H2)3NHCl, solution? Kb, ((HOC2H2)3N) = 5.9 × 10–7
Which species is amphoteric?
Which species is amphoteric?
The pH at the equivalence point of the titration of nitric a…
The pH at the equivalence point of the titration of nitric acid solution by sodium hydroxide solution is
Lactic acid has a pKa of 3.08. What is the approximate degre…
Lactic acid has a pKa of 3.08. What is the approximate degree of dissociation of a 0.35 M solution of lactic acid?
The pH at the equivalence point of the titration of nitric a…
The pH at the equivalence point of the titration of nitric acid solution by sodium hydroxide solution is
SO2 can react with OH-, forming HSO3- . In this reaction,
SO2 can react with OH-, forming HSO3- . In this reaction,
Which of the following pairs has the stronger acid listed fi…
Which of the following pairs has the stronger acid listed first?
You need to use KH2PO4 and K2HPO4 to prepare a buffer with a…
You need to use KH2PO4 and K2HPO4 to prepare a buffer with a pH of 7.45. Which of the following ratios of / is required? For phosphoric acid, (H3PO4), Ka2 = 6.2 × 10–8.
Calculate the minimum concentration of Ag+ ion that must be…
Calculate the minimum concentration of Ag+ ion that must be added to (or built up in) a 0.140 M Na2CrO4 solution in order to initiate a precipitation of silver chromate. The Ksp of Ag2CrO4 is 1.2 × 10‑12.