Salts: acidic, basic, or neutral

all 2+ ions are acidic except

Ca2+, Sr2+,Ba2+

Ba2+

neutral

2+ ions

acidic

3+ ions

acidic

Al3+

acidic

Conjugate acids of weak bases

acidic

Cr3+

acidic

Fe3+

acidic

CH3OO-

basic

Conjugate bases of weak acids

basic

F-

basic

Ca2+

neutral

Conjugate bases of strong acids

neutral

HSO4 -

neutral

I-

neutral

K+

neutral

Li+

neutral

NO3 -

neutral

Na+

neutral

Sr2+

neutral

counter ions of strong bases

neutral

monatomic ions +1 ions

neutral