Rivoflavin is one of the B vitamins. It is also known as vitamin B6 and is made of carbon, hydrogen, and nitrogen, and oxygen atoms. When 10.00 g of vitamin B6 is burned in oxygen, 19.88g of CO2 and 4.79 g of H2O are obtained. Another experiment shows that vitamin B6 is made up of 14.89%N. What is the simplest fourmula for vitamin B6?