1. A basic solution can be defined as one in which
a. [H3O+] is not present
b. [H3O+] is equals to OH-
2. Which one is a self indicator?
3. Which of the following combinations can't produce a buffer solution?
a. HNO2 & NaNO2
b. HCN & NaCN
c. HClO4 & NaClO4
d. NH3 & (NH4)2SO4
e. NH3 & NH4Br
4. What is the pH of a solution composed of 0.20 M NH3 & 0.15M NH4Cl?
5. Calculate the ratio [CH3COOH]/[CH3COONa] that gives a solution with pH=5.00?