40.0 mL of 0.200 M aqueous NaOH is added to 200.0 mL of 0.100 M aqueous NaHCO3 in a flask maintained at 25 ºC. Neglecting the effects of dilution, what is q for this reaction? ?Hºf , kJ mol-1 OH- (aq) -230, HCO3 - (aq) -692, CO3 2- (aq) -677, H2O(l) -286.