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How many grams of ice at 0.0 degress C must be added to 26.2 g of...

How many grams of ice at 0.0 degress C must be added to 26.2 g of water at 21 deg C to give a final temp in the flask of 0.5 deg C?

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Answer #1

+Qice = -Qwater

mst(ice)=-mst(water)

m*2.03*(0-0.5) = -26.2*4.18*(21-0.5)

                       m     =-2245.078/(-1.015)

                         mass of ice = 2211.89g

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