0.0119 grams of organic matter burnt in oxygen Question, chemistry homework help

0.0119 grams of organic matter burnt in oxygen. The resulted weights of CO2 and H2O are0.0383 grams and 0.0126 grams. An analyze showed that the organic matter was composed of Carbon and Hydrogen.What is the empiric formula of the organic matter?How many moles of oxygen is required in this experiment?What is the molecular formula of the matter if the molar mass is 68g/mol?Thank you