Q.1 ) A sample of unknown organic compound contains C. H. O and N. Combustion of 2.18g sample in excess ess oxygen yields 3.94 g CO , and 1.89 g of H , 0. A separate experiment shows that 1.23 g unknown sample contains 0.235 g nitrogen . What is the empirical formula of the compound ?

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

answerleaving cheese out to get moldy;