Assignment:
A sample of a substance (containing only C, H, and N) is burned in oxygen and 3.042 g of CO2, 1.090 g of H2O and 1.555 g of NO are the sole products.
a) What is the empirical formula of the compound?
b) How many grams of the initial sample were burned?
Provide complete and step by step solution for the question and show calculations and use formulas.