Concentration	Error in Concentration	Refractive Index	Error in Refractive Index
0	0	1.21	0.01
48.78	1.47	1.25	0.01
39.22	0.78	1.24	0.01
23.47	0.63	1.23	0.01
17.06	0.3	1.22	0.01
9.13	0.66	1.21	0.01