00 t, 00 #14 Homework Worksheet Empirical and Molecular Formula 1. Nicotine is a poisonous compound...
An analysis of nicotine, a poisonous compound found in tobacco leaves, shows that it is 74.03% Carbon, 8.70% Hydrogen, and 17.27% Nitrogen. Its molar mass is 162 grams/mole. What are the empirical and molecular formulas of nicotine?
1. The empirical formula of an unknown substance is HSO4. If the molecular weight of the substance 194 glmol, what is its molecular formula? 2. How many grams of ammonia are produced when 32g of nitrogen react with excess hydrogen? N2 3H23 2NH, 3. The empirical formula of an unknown substance is determined to be CH2. What is its molecular formula if the molecular weight is 84 gmole? 4. Nicotine has an empirical formula of CsHTN and a molecular weight...