A flask containing 450 mL of 0.47 M H2SO4 was accidentally knocked to the floor. How many grams of NaHCO3 do you need to put on the spill to neutralize the acid according to the following equation?
H2SO4(aq) + 2 NaHCO3(aq) Na2SO4(aq) + 2 H2O(l) + 2 CO2(g)