Question

percent composition?: 85.05 g of Mg combines completely with 112.21 g of S.

empirical formula?: 78.8% C, 20.2% H. 67.6% Hg, 10.8% S, 21.6% O

Answer 1

Empirical Formula = C20 H60 HG1 S1 O4 (numbers should be in subscript)

Percent Composition =

MG = 43%

S = 56.8%