A sample of steam with a mass of 0.506 g at a temperature of 100 C condenses into an insulated container holding 4.20 g of water at 3.0 C . For water, Hvap=40.7kJ/mol and Cwater=4.18J/(gC) . Part A Assuming that no heat is lost to the surroundings, what is the final temperature of the mixture? Express your answer in degrees Celsius to three significant figures.