Perform a reduction of the data in Table 11-1 for the di-isopropyl ether (1) + 1-propanol (2)   system at 303.15 K using both the 1-parameter and 2-parameter Margules equations.

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TABLE 11-1 Experimental Pxy data for the di-isopropyl ether (1) + 1-propanol (2) system at 303.15 K. X₂ P (kPa) 3.77 5.05 6.15 7.22 8.29 10.60 12.16 14.07 15.62 16.81 17.91 18.77 0 0.0199 0.0399 0.0601 0.0799 0.1192 0.1694 0.2294 0.2891 0.3495 0.4090 0.4708 0 Y₁ 0.2671 0.4090 0.5061 0.5783 0.6847 0.7346 0.7822 0.8133 0.8343 0.8524 0.8659 P (kPa) 19.51 20.23 20.71 21.35 21.92 22.62 23.20 23.59 23.80 23.99 24.19 24.36 0.5296 0.5902 0.6505 0.7101 0.7685 0.8300 0.8803 0.9179 0.9397 0.9581 0.9804 y₁ 0.8774 0.8890 0.8974 0.9093 0.9209 0.9372 0.9521 0.9637 0.9709 0.9785 0.9885 1 Based on data from 1. Hwang et al., J. Chem. Eng. Data, 52, 2503 (2007).