(20 pts) When 3.018 moles of chlorine reacts with excess aluminum, how many moles of
aluminum chloride are formed?
2 Al + 3 Cl2 → 2 AICI3:

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate

The atomic number, or number, is the described as the number of in the nucleus of an chemical element.