atoms

Question : A sample of a compound has a mass of 41.13 g. The sample is found to contain 37.28 g of carbon and 3.85 g of hydrogen. What is the percentage composition of the compound? 90.6% carbon and 9.4% hydrogen O9.4% carbon and 90.6% hydrogen O 13.3% carbon and 10.8% hydrogen 90.6% carbon and 4.7% hydrogen O 3.1% carbon and 3.8% hydrogen Question 4 Which substance contains the greatest amount (in moles)? 8 g of hydrogen, H2 28 g of nitrogen, N2 35 g of chlorine, Cl2 4g of methane, CH4 Question 6 How many grams are there in 0.0042 mol of sodium oxide, Na, 0? 0.26 g 0.16 g O26.1 g 0.0026 g 260 g Show transcribed data

About how many moles is 112 grams of CaO? 2.0 moles 0.1 moles 0.2 moles 1.1 moles None of the above