Steam enters a mixing chamber at 6 MPa and 400C. Water enters the mixing chamber at 6

Question:

Steam enters a mixing chamber at 6 MPa and 400°C. Water enters the mixing chamber at 6 MPa and 80°C. Determine the ratio of the mass flow rate of the steam to the mass flow rate of the water if the exit flow leaves at a temperature of
a) 200°C,
b) 250°C,
c) 300°C.