ethanol	NuRPA	y
concentration		error
wt%		
0	0	
10	-5.36742	-0.2
20	-5.41383	-0.2
30	-5.05252	-0.2
40	-4.35175	-0.2
50	-4.74658	-0.2
60	-1.22238	-0.2