2. A piece of Al(s) at 98°C is placed in 66g of H2O at 25°C....

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Chemistry

2. A piece of Al(s) at 98°C is placed in 66g of H2O at 25°C. TheAluminum cools and after equilibrium the final temperature ofAluminum and water is 30°C. What was the mass of the aluminum?Cs(H2O)= 4.184J/(g°C)

Cs(Al)= 0.90J/(g.°C)

___ g

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