chemistry 12

a chemical reaction released 50.0kJ of energy as it heated a sample of water from 17.0 degrees celsius to 75.0 degrees Celsius, what mass of water was heated? I have no clue as to how to do this! can anyone help?

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asked by kris
  1. E=mc*temp change 50,000=M*4200*(75-17) M=50,000/4200*58 M=0.205Kg

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    posted by Kosy

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