moles of C = 1.66/44= 0.037
Moles of H = 1.02/18 = 0.05*2 = 0.113
Moles of O = 2.4/32 = 0.075
Moles of S = 4.66/64 = 0.0728
Moles of N = 3.63/63 = 0.057
Divide by the smallest to get the ratio
0.037/0.37: 0.113/0.037: 0.075/0.037: 0.0728/0.037: 0.057/0.037
1:3:2:2:2
empirical: CH3O2S2N2
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