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A 21.60 g piece of iron and a 20.10 g piece of gold at 100.0 degrees celsius were dropped into 910.0 mL of water at 28.85 degrees celsius. The molar heat capacities of iron and gold are 25.19 J/(mol x degrees celsius) and 25.41 J/(mol x degrees celsius), respectively. What is the final temperature of the water and pieces of metal?

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