How much CO₂ did you generate in mmol to 2 decimal places if we are trying to determine the number of moles of CO₂ you have generated when reacting your unknown CaCO₃ tablet with excess HCl according to the lab manual. You have determined the following:

Volume of flask: 0.140 L

P_i':46.2 kPa

P_f':133.2 kPa

T_i: 21.05 C

T_f: 22.75C