(mass ice x heat fusion) + [mass ice x specific heat water x (Tfinal-Tinitial)] [mass H2O x specific heat H2O x (Tfinal-Tionitial)] = 0
Substitute and solve for mass ice. Tfinal is 4, Tinitial is 26, mass H2O (that's the 26 C H2O) is 355. Massice is the only unknown.
How much ice (in grams) with the temperature of 0∘C would have to melt to lower the temperature of 355mL of water from 26∘C to 4∘C? (Assume the density of water is 1.0 g/mL.)
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