Table 1: Raw Data of the Actual and Refracted Distance of the Rod in Water of Increasing Concentrations of Sodium Chloride Table 2: Processed Data of Salinity against Index of Refraction Sodium Chloride Distance from Rod to Center (Left = Positive) Sodium Chloride Index of Refraction Concentraion Trial 1 (cm) [+/- 0.05] Trial 2 (cm) [+/- 0.05] Trial 3 (cm) [+/- 0.05] Trial 4 (cm) [+/- 0.05] Concentraion Trial 1 Trial 2 Trial 3 Trial 4 Average g/kg [+/- 0.5] r1 r2 r1 r2 r1 r2 r1 r2 g/kg [+/- 0.5] No Units Uncertainty No Units Uncertainty No Units Uncertainty No Units Uncertainty No Units Uncertainty No Water -0.3 0.7 0.5 1.5 1.7 2.6 2.7 3.7 No Water 1.0 0.15 1.0 0.15 0.9 0.15 1.0 0.10 1.0 0.14 0 -0.9 0.4 0.3 1.6 1.6 2.9 2.9 4.2 0 1.3 0.17 1.3 0.17 1.3 0.13 1.3 0.12 1.3 0.14 10 -0.6 0.6 0.7 1.8 2.0 3.2 3.3 4.4 10 1.2 0.16 1.1 0.16 1.2 0.11 1.1 0.11 1.2 0.13 20 -0.4 0.6 0.6 1.9 1.9 3.1 3.2 4.3 20 1.0 0.15 1.3 0.17 1.2 0.11 1.1 0.11 1.2 0.13 30 -0.5 0.8 0.6 1.9 2.0 3.2 3.2 4.3 30 1.3 0.17 1.3 0.17 1.2 0.11 1.1 0.11 1.2 0.14 40 -0.5 0.7 0.7 1.9 2.2 3.3 3.4 4.5 40 1.2 0.16 1.2 0.16 1.1 0.10 1.1 0.11 1.2 0.13 50 -0.4 1.0 0.9 2.3 2.2 3.5 3.5 4.5 50 1.4 0.17 1.4 0.17 1.3 0.11 1.0 0.10 1.3 0.14 60 -0.5 0.7 0.6 2.0 2.0 3.2 3.3 4.4 60 1.2 0.16 1.4 0.17 1.2 0.11 1.1 0.11 1.2 0.14 70 -0.4 0.9 0.8 2.1 2.0 3.3 3.3 4.4 70 1.3 0.17 1.3 0.17 1.3 0.12 1.1 0.11 1.3 0.14 80 -0.2 1.1 0.8 2.1 2.2 3.4 3.4 4.5 80 1.3 0.17 1.3 0.17 1.2 0.10 1.1 0.11 1.2 0.13 90 -0.3 0.9 0.9 2.3 2.2 3.5 3.6 4.7 90 1.2 0.16 1.4 0.17 1.3 0.11 1.1 0.11 1.3 0.14 100 -0.4 0.9 0.8 2.1 2.1 3.4 3.4 4.5 100 1.3 0.17 1.3 0.17 1.3 0.12 1.1 0.11 1.3 0.14