# college chemistry

a 42 piece of ice at 0.0 C is added to a sample of water at 8.0 C. all of the ice melts and the temperature of the water decreases to 0.0 C. how many grams of water were in the sample.

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1. melt ice + move ice from zero to final T + cool H2O from 8 to final T = 0

(mass ice x heat fusion) + (mass melted ice x specific heat H2O x (Tfinal-Tinitial) + (mass H2O x speicif heat H2O x (Tfinal-Tinitial) = 0
Solve for mass H2O.
I obtained 420 g but you should confirm that value.

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