A sample of nickel is heated to 99.8 0 C and placed in a coffee cup calorimeter containing 150.0 g water at 23.5 0 C. After the metal cools, the final temperature of the metal and water mixture is 25.0 0 C. If the specific heat capacity of nickel is 0.444 J/g.K, what mass of nickel was originally heated? The specific heat capacity of water is 4.18 J/g.K

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