By reacting soda solvay containing 91% sodium carbonate, with an excess of 2 molar hydrochloric acid solution, 49.2 cubic decimetres of co2 at 29ºc and a pressure of one atmosphere (in addition to h2o and nacl) are obtained, with a performance of 86%. a) calculate the mass of solvay soda used. b) the mass of h2o formed. c) the amount of moles of co2 obtained. d) the minimum volume of the hcl solution to be used."