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Data Table 2: Temperature Readings for Freezing Point Time Temp ( C) of Control Temp (?C) of Solution (seconds) (tap +0.5 water) tsp (~2.5 mL) salt 30 10 Temp (?C) of Solution +1.0 tsp (~5 mL) salt 60 90 2 120 2 22 150 11 -2 180 22 3 210 22 33 240 22 3 270 -2 3 300 22 3 330 22 3 360 22 3 390 2 420 22

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