Determine the empirical formula for a compound that comtains 17.9 grams of carbon, 1.680 grams of hydrogen, 4.225 grams of oxygen and 1.228 grams of nitrogen

For the reaction shown, calculate how many moles of no2 form when each of the following completely reacts. 2n2o5(g)→4no2(g)+o2(g) part a 1.0 mol n2o5 express your answer using two significant figures. nothing mol m o l request answer part b 5.4 mol n2o5 express your answer using two significant figures.