A 425. 00-gram sample of a compound decomposes into 196. 01 grams of carbon, 41. 14 grams of hydrogen, 130. 56 grams of oxygen, and 57. 29 grams of silicon. Experiments have shown the compound has a molecular weight of 208. 329. What is the molecular formula? A. C8H5O2Si B. C2H5OSi C. C4H10O2Si D. C8H20O4Si.