(2 pts each) Balance the following chemical reactions
(5 pts) Nitric acid (HNO3), a component of acid rain, is made in the air when NO2 gas comes into contact with water vapor according to the following equation:
For every 35.00 grams of NO2 released into the air, how many grams of nitric acid (HNO3) are produced?
(4 pts) Copper (II) tetra-ammonia chloride has the chemical formula Cu(NH3)4Cl2.
What is the percent composition of each element in copper (II) tetra-ammonia chloride
% Cu:_______ % N:_______ % H:_______ % Cl:_______
(6 pts) Compound X is known to contain carbon, hydrogen, and oxygen. When 3.46 grams of compound X is burned in the presence of oxygen, 6.34 grams of CO2 and 1.73 grams of H2O are recovered. What is the empirical formula of compound X?