23.780 g of acetaldehyde (CH3CHO) reacts completely with oxygen to produce acetic acid (HC2H3O2) using manganese (II) acaetate catalyst according to the equation shown below: 2CH3CHO + O2 → 2HC2H3O2 What mass of oxygen reacted with acetaldehyde ? (Atomic mass: C-12.011 g/mol; 0-15.999 g/mol; H- 1.008 g/mol). Show answer choices 34.558 g 34.494 g 8.623 g 17.247 g