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An airbag was determined to have a maximum volume of 4.5 liters. If the most effective inflation percentage was 95% of the maximum, how much of each reactant below is needed at STP (standard temperature and pressure)? Acetic acid: 0.250 molar. 

NaHCO3(s) + CH3COOH(aq) à  H2O (l) + CO2 (g) + CH3COONa (aq)

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