Question

Give the formula for the conjugate base of each acid.


a. HSO4-

SO4^2-



b. H3PO4

H3PO4



c. HPO42-

PO4^2-



d. HNO3

NO3^-

Answer 1

You would add H2O to the acid and determine the products from a double reaction. The acid who gives the H+ up is the acid and the one who accepts it is the base. You look over at the products and those are called the conjugates.
Do for example...
1) HSO4- + H2O --> H3O+ + SO4-2
So SO4-2 is conjugates base.


You do that for each of these!:)

Answer 2

The acid on the left has a conjugate base on the right.
H20 is acting as base, and H3O+ conjugate acid.

It's pretty much the opposite.

Answer 3

a is right.
b is not
c would be ok if you had the correct charge on PO4^3-
d is ok.