451. When measuring on a Pulfrich refractometer, the values \u200b\u200bof n20D, N and α given in Table 26 were found. Determine the parameter marked X (Table 26)
Table 26
Problem number Substance n20D N α
451 Hexane X 1.6164 58011'

If you do not open the file - install the RAR archiver. Inside the archive you will find a solution in Word format.