3. The number of equivalent resonance structures that can be drawn for HCO2 -1 is
4. Which of the following is closest to the pH of 10-4 M NaOH?
a. 12.0
b. 10.1
c. 9.5
d. 7.0
5. The compound C3H6 most likely contains which of the following combinations of bond types?
a. single bonds only
b. single + double bonds
c. single+ triple bonds
d. double + triple bonds