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10-14. (a) when 100.0 ml of weak acid ha were titrated with 0.093 81 m naoh, 27.63 ml were required to reach the equivalence point. find the molarity of ha. (b) what is the formal concentration of a- at the equivalence point? (c) the ph at the equivalence point was 10.99. find pk. for ha. (d) what was the ph when only 19.47 ml of naoh had been added?

If 90.0 grams of ethane reacted with excess chlorine,how many grams of dicarbon hexachloride would form

Which of the following represents the ester functional group? a. -coo- b. -cho c. -cooh d. c=o