There are two steps in the usual industrial preparation of

Last updated: 8/5/2022

There are two steps in the usual industrial preparation of acrylic acid, the immediate precursor of several useful plastics. In the first step, calcium carbide (CaC₂) and water react to form acetylene (C₂H₂) and calcium hydroxide: CaC₂ (s) + 2H₂O(g) C₂H₂(g) + Ca(OH)₂ (s) In the second step, acetylene (C₂H₂), carbon dioxide and water react to form acrylic acid (CH₂CHCO₂H): 6C₂H₂(g) + 3C0₂(g) + 4H₂O(g) → 5 CH₂CHCO₂H (g) 1 Suppose the yield of the first step is 63.% and the yield of the second step is 80.%. Calculate the mass of calcium carbide required to make 4.0 kg of acrylic acid. Be sure your answer has unit symbol, if needed, and is rounded to 2 significant digits.