A volume of 80.0 ml of H2O is initially at room temperature (22. A chilled steel rod at 2.00 C is placed in the water. If the final temperature of…

A volume of 80.0 ml of H2O is initially at room temperature (22.0 C). A chilled steel rod at 2.00 C is placed in the water. If the final temperature of the system is 21.1 C , what is the mass of the steel bar?