sample of completely dry air with a flow rate of 2 kg/s is cooled down to 10°C by spraying liquid water at 10°C into it, such that it becomes saturated moist air at 10°C. The process happens at steady state at a constant pressure of 100 kPa. If no heat and work transfer is involved, then the temperature of the dry air sample (correct to 1 decimal place) is ______________ °C.

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