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A 48.97−g sample of water at 78.6°C is added to a sample of water at 24.0°C...

A 48.97−g sample of water at 78.6°C is added to a sample of water at 24.0°C in a constant-pressure calorimeter. If the final temperature of the combined water is 41.2°C and the heat capacity of the calorimeter is 26.3 J/°C, calculate the mass of the water originally in the calorimeter.

Enter your answer in scientific notation. m = × 10 g

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