saturated steam at 273.3 Celsius is used to heat a countercurrently flowing stream of methanol vapor form 70 celsius to 252.9 celsius in an adiabatic heat exchanger. the flow rate of the methanol is 7530 standar liter per minute, and the steam condenses and leaves the heat exchanger as liquid water at 90 celsius. calculate the required flow rate of the entering steam in m^3/min.

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