let m be the mass of ice
Heat lost by water = Heat gain by ice
Heat lost by water = .335(4190)(70.2-35)
Qlost = 49408.48 J
Heat gain
Qgain = m(2100)(24.9) + m334000 + m41900(35)
Qgain = m (1852790)
Qgain = Qlost
m = 0.026667 kg
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