Solution

[ACN]

[H₂O]

[NaCl]

x_ACN

x_W

x_NaCl

δ_W/293 K

δ_W/298 K

δ_W/303 K

W

55.56

3.738

3.676

3.609

1

9.574

27.78

0.0606

0.256

0.741

3.23 × 10⁻³

3.378

2

9.574

27.78

0.0936

0.255

0.74

4.98 × 10⁻³

3.421

3

9.574

27.78

0.141

0.254

0.738

7.48 × 10⁻³

3.466

4-ACN-R

19.78

12.49

0.0325

0.612

0.387

1.00 × 10⁻³

3.385

3.366

3.346

4-W-R

5.988

33.15

0.501

0.151

0.836

1.26 × 10−3

3.479

3.465

3.449

5-ACN-R

21.45

11.69

0.0242

0.647

0.352

7.30 × 10⁻⁴

3.368

3.349

3.342

5-W-R

3.458

36.06

0.845

0.0857

0.893

0.0209

3.502

3.49

3.477

6-ACN-R

21.47

11.21

0.023

0.657

0.343

7.03 × 10⁻⁴

3.359

3.34

3.342

6-W-R

2.883

37.1

1.178

0.07

0.901

0.0286

3.526

3.516

3.506

7-ACN-R

21.58

9.84

0.0195

0.686

0.313

6.20 × 10⁻⁴

3.347

3.329

3.319

7-W-R

1.898

39.25

1.889

0.0441

0.912

0.0439

3.536

3.531

3.526

8-ACN-R

21.63

8.079

0.015

0.728

0.272

5.05 × 10⁻⁴

3.339

3.325

3.312

8-W-R

1.537

40.91

2.585

0.0341

0.908

0.0574

3.54

9-ACN-R

21.91

6.419

0.0126

0.773

0.226

4.45 × 10⁻⁴

3.339

3.322

3.306

9-W-R

1.002

42.62

3.265

0.0214

0.909

0.0696

3.544

10-ACN-R

21.95

6.262

0.0122

0.778

0.222

4.32 × 10⁻⁴

3.338

3.319

3.301

10-W-R

0.8876

43.36

3.697

0.0185

0.904

0.0771

3.547