pH is to indicate the concentration, while the 'strength' is measures by other means.
Weaker than Jupiter has, and stronger than the moon has.
it has weaker gravity than Earth
Weaker.
weaker
weaker
It is stronger.
Venus has weaker gravity than Earth.
stronger
weaker
Actually, ionic bonds are generally much stronger than covalent bonds; except in solution.
Mars is 5,000 times weaker than Earth.
it is stronger