S = 69.60 = mol = 69.60/32 = 2.17
N = 100-69.60
= 30.40 = mol = 30.4/17 = 2.17
S : N
= 2.17/2.17 : 2.17/2.17
= 1 : 1
= SN
184.29 = ( 32+14 )
N = 184.29/46
N = 4
(SN)n = (SN)n
= S4 N4 สูตรโมเลกุล