Question

If aqueous hydrofluoric acid is reacted with
sodium hydroxide, which of the following sub-
stances are in the net ionic equation?
1. fluoride ion, hydronium ion, and water
2. hydrofluoric acid, sodium ion, hydroxide
ion, and fluoride ion
3. hydrofluoric acid, hydroxide ion, hydro-
nium ion, fluoride ion, and water
4. hydrofluoric acid, hydroxide ion, fluoride
ion, and water
5. fluoride ion, hydroxide ion, hydronium
ion, and water
B
It's 4, not 3