6- In the reaction 2KMnO4 + 5(COOH)2 + 3H2SO4 yields 10 CO2 + 2MnSO4 + K2SO4 + 8H2O is the Manganese being oxidized, reduced, or neither?
a. oxidized
b. reduced
c. neither
7-What is the molarity of the KMnO4 solution if it requires 10.0 mL of KMnO4 to react completely with 11.5 mL of 0.125 M (COOH)2 in the balanced reaction 2KMnO4 + 5(COOH)2 + 3H2SO4 yields 10 CO2 + 2MnSO4 + K2SO4 + 8H2O
a. 0.144 M
b. 0.109 M
c. 0.359 M
d. 0.272 M