To a sample of water at 22.6 °C in a constant- pressure calorimeter of negligible heat capacity is added a 10.4 g piece of aluminum whose temperature is 68.7 °C. If the final temperature of water is 24.9 °C, calculate the mass of the water in the calorimeter. (SAI= 0.900 J/g.°C; s water= 4.184 J/g.°C)

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