A Review | Constants Periodic Table Part A A gaseous solution of methane and propane having a mass of 4.00 g was burned in excess oxygen. Twenty-five percent of the heat produced was used to raise the temperature of 114 g of liquid water from 0.0 C to its boiling point at 100.0C. What the mass of methane in the mixture? (AcombH for methane -802.5 kJ mol-1 and for propane -2043.9 kJ mol-?). Express your answer with the appropriate units. ? m methane = Value Units Submit Previous Answers Request Answer X Incorrect; Try Again; 5 attempts remaining Part B What is the mass of propane in the mixture? Express your answer with the appropriate units. ? mpropane = Value Units Submit Request