% vol. wt. ac. Wt. density v1 v2 m1 m2

10 48.64 26.82 1.0728 2.5 22.5 1.9775 22.5

20 48.33 26.51 1.0604 5 20 3.955 20

30 47.9 26.08 1.0432 7.5 17.5 5.9325 17.5

40 47.42 25.6 1.024 10 15 7.91 15

50 46.99 25.17 1.0068 12.5 12.5 9.8875 12.5

60 46.52 24.7 0.988 15 10 11.865 10

70 45.85 24.03 0.9612 17.5 7.5 13.8425 7.5

80 45.2 23.38 0.9352 20 5 15.82 5

90 44.3 22.48 0.8992 22.5 2.5 17.7975 2.5

100 43.51 21.69 0.8676 25 0 19.775 0

initial final weight ac. Weight density mol fr mass fr. meth.

1 79 81.7 45.06 23.24 0.9296 0.7 0.81 18.8244

81.7 82.5 45.23 23.41 0.9364 0.66 0.79 18.4939

3 82.5 82.8 45.32 23.5 0.94 0.65 0.78 18.33

82.8 84.4 45.53 23.71 0.9484 0.61 0.73 17.3083

5 84.4 85.7 45.8 23.98 0.9592 0.55 0.7 16.786

85.7 87.2 46.1 24.28 0.9712 0.51 0.67 16.2676

7 87.2 89 46.43 24.61 0.9844 0.45 0.61 15.0121

89 90.2 46.8 24.98 0.9992 0.38 0.57 14.2386

9 90.2 93.9 47.34 25.52 1.0208 0.29 0.44 11.2288

10 93.9 96.2 47.9 26.08 1.0432 0.19 0.345 8.9976

0.8

0.85

0.9

0.95

1

1.05

1.1

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1

de

nsi

ty

mass fr.

mass fr.

Mass fr. meth mol water mol mol fr.

0.080788 0.061797 1.25 0.047109

0.165101 0.123594 1.111111 0.1001

0.253174 0.185391 0.972222 0.160149 initial mol initial mol.

0.345264 0.247188 0.833333 0.228767 meth. water F B

0.441653 0.308984 0.694444 0.307929 5.500096 18.14662 23.64672 13.9087

0.542648 0.370781 0.555556 0.400266

0.648588 0.432578 0.416667 0.509368

0.759846 0.494375 0.277778 0.640255

0.876832 0.556172 0.138889 0.800177

1 0.617969 0 1

In liq liq

water meth mol wtr mol. mth. Mol wtr mol. x y 1/y-x

4.4156 0.588263 0.245311 4.911834 17.90131 0.215307 0.705712 2.039134

4.9161 0.577934 0.273117 4.333899 17.6282 0.197335 0.679083 2.075775

5.17 0.572813 0.287222 3.761087 17.34097 0.178233 0.666034 2.050016

6.4017 0.540884 0.35565 3.220203 16.98532 0.159372 0.603306 2.25259

7.194 0.524563 0.399667 2.69564 16.58566 0.139806 0.567568 2.337751

8.0124 0.508363 0.445133 2.187278 16.14052 0.119342 0.533156 2.416542

9.5979 0.469128 0.533217 1.718149 15.60731 0.099169 0.468031 2.711044

10.7414 0.444956 0.596744 1.273193 15.01056 0.078188 0.427144 2.86569

14.2912 0.3509 0.793956 0.922293 14.21661 0.060922 0.306502 4.072001

17.0824 0.281175 0.949022 0.641118 13.26759 0.046095 0.228561 5.480468

0.2326 0

1 1.1

0

1

2

3

4

5

6

0 0.05 0.1 0.15 0.2 0.25

1.05

1.1

mol fr. vs. density

0.8

0.85

0.9

0.95

1

1.05

0 0.2 0.4 0.6 0.8 1 1.2

De

nsi

ty

mol fr.

Ds

9.738017

0.25

Series1

Series1