How many moles of O2 are needod to react with 2.70mol of C2H2 ? Express your answer to three significant figures and include the appropriate units. pleting this Part B How many moles of CO2 are produced when 2.2mol of C2H2 react? Express your answer to two significant figures and include the appropriate units. as (C2H2) burns oo, water, and How many moles of C2H2 are required to produce 0.58mol of H2O ? Expreas your answer to two significant figures and include the appropriate units. (8)+2H2O(B) completing this Part D How many moles of CO2 are produced when 0.225 mol of O2 reacts? Express your answer to three significant figures and include the appropriate units