What is the difference (if there is) between al2 and 2al?
wouldn't both mean "2 aluminum atoms"?
, this is confusing me.

Achemist determined by measurements that 0.0300 most of beryllium oxide participate in a chemical reaction calculate the mass of berlylium oxide that participates

10. according to the law of conservation of mass, how does the mass of the products in a chemical reaction compare to the mass of the reactants?

How many miles of water are produced if 5.43 mol pbo2 are consumed