Question

H2SO4 is a strong acid, but HSO4- is a weak acid

Account for the difference in strength of these two
related species​

Answer 1

Because in H2S04 , Hydrogen has 2 molecules and in HS04, I has one molecule.

Answer 2

Hey here is your ans

Step-by-step explanation:

H2SO4 is a strong acid. ... HSO4- is the conjugate base of H2SO4 but it can still give its Hydrogen away, and thus it is a weak acid as well. It's weak because it doesn't part with its hydrogen as easily as H2SO4 did