A) Which of the following pairs cannot be mixed together to forma buffer solution? Why?

A. NH3, NH4Cl

B. KOH, HF

C. NaC2H3O2, HCl

D. H3PO4, KH2PO4

E. RbOH, HCl

B) For a solution equimolar in HCN and NaCN, which statement isfalse?

Without giving all the choices, the false choice is "The [H+] islarger than it would be if only the HCN was in solution."

Why? How would I know this?

C) A buffer containing 0.200 M of acid, HA, and 0.150 M of itsconjugate, A-, has a pH of 3.35. What is the pH after 0.015 mol ofNaOH is added to 0.500 L of the solution.

 

Answer rating: 100% (QA)

A C NaC2H3O2 HCl This pair can be mixed together to form a buffer solution Sodium acetate NaC2H3O2 a... View the full answer