Question

1. Which of the following could be added to a solution of sodium acetate to produce a buffer?

A) acetic acid only

B) acetic acid or hydrochloric acid

C) hydrochloric acid only

D) potassium acetate only

E) sodium chloride or potassium acetate 

 

2) In which of the following aqueous solutions would you expect AgCl to have the lowest solubility?

A) pure water

B) 0.020 M BaCl₂

C) 0.015 NaCl

D) 0.020 AgNO₃

E) 0.020 KCl