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Density (ρ) and viscosity (η) of aqueous mixture containing poly(ethylene glycol)s (PEG)s with seven nominal molecular masses (1500 g·mol−1, 2000 g·mol−1, 3000 g·mol−1, 4000 g·mol−1, 6000 g·mol−1, 8000 g·mol−1, and 20 000 g·mol−1) have been experimentally measured at five temperatures (288.15 K, 293.15 K, 303.15 K, 308.15 K, and 313.15 K) and five concentrations of PEG (0.05, 0.10, 0.15, 0.20, and...