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An insulated beaker with negligible mass contains liquid water with a mass of 0.350 kg and...

An insulated beaker with negligible mass contains liquid water with a mass of 0.350 kg and a temperature of 70.6 ∘C .

How much ice at a temperature of -16.3 ∘C must be dropped into the water so that the final temperature of the system will be 23.0 ∘C ?

Take the specific heat of liquid water to be 4190 J/kg⋅K , the specific heat of ice to be 2100 J/kg⋅K , and the heat of fusion for water to be 3.34×105 J/kg . Please show work, I keep getting the wrong answer.

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