ice cube mass???
posted by Gabrielle on .
an ice cube at 0 was dropped into 30.0 g of water in a cup at 45.0 C at the instant that all of the ice was melted, the tempature of the water in the cup was 19.5 C. what was the mass of the icecube?

The sum of the heats gained is zero (water has negative heat gained).
Heat gained ice+heatgainedwater=0
M*Lf+30*cwater*(19.545)=0
solve for M. You have to know the heat of fusion, and the specific heat of water, IN THE CORRECT UNITS> 
0,0095876946kg

that is what i'm trying to figure out to

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a perfect square ice cube measures 3 cm on each side. It has a mass of 24.6g. What is the density of the ice cube?