Write the formula for the compound formed when the given polyatomic anion combines with a cation from the given element. Hydrogen sulfite (HSO3) and barium, Hydrogen carbonate (HCO3) and sodium, Hydroxide (OH) and aluminum

1 answer

The formula for the compound formed when the polyatomic anion hydrogen sulfite (HSO3) combines with the cation barium (Ba) is:

Ba(HSO3)2

The formula for the compound formed when the polyatomic anion hydrogen carbonate (HCO3) combines with the cation sodium (Na) is:

NaHCO3

The formula for the compound formed when the polyatomic anion hydroxide (OH) combines with the cation aluminum (Al) is:

Al(OH)3