Chemistry
posted by Maryam .
A 335g block of copper cools from 95.0 degrees celcius to 27.2 degrees celcius when it is put in a beaker containing water at 22.4 degrees celcius. What is the mass of the water in the beaker?

Chemistry 
DrBob222
See your post just below. Use the same process but substitute and solve for mass H2O.
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