Q9,Q10

A 23.32 gram sample of manganese is heated in the presence of excess oxygen. A metal oxide is formed with of 30.11g. Determine the empinical formula of the metal oxide. Enter the elements in the order Mn, 0 empirical formula = A 12.92 gram sample of chromium is heated in the presence of excess iodine. A metal iodide is formed with a mass of 75.96g. Determine the empirical formula of the metal iodide. Enter the elements in the order Cr,I empirical formula = A compound is found to contain 40.05% sulfur and 59.95% oxygen by mass. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above. A compound is found to contain 39.12% carbon, 8.772% hydrogen, and 52.11% oxygen by mass. What is the empirical formula for this compound? To answer the question, enter the elements in the order presented above