What mass of zinc is needed to react with 23.1g of phosphoric acid according to the following equation?

3 zn + 2 h3 (po4) = 3 h2 + zn3(po4)2

Which statements describe polyatomic ions? check all that apply. polyatomic ions have many charges. polyatomic ions have one overall charge. polyatomic ions repel other ions to form ionic bonds. polyatomic ions attract other ions to form ionic bonds. polyatomic ions are made up of only one type of atom. polyatomic ions are made up of two or more types of atoms.

What is the relationship of air masses and the temperature of oceans?

What three natural resources are found in the great lakes region