can you help me with this Determine the conjugate base of each species.

Part 1 of 3

For HBr, the conjugate base is

Part 2 of 3

For HCOOH, the conjugate base is

Part 3 of 3

For CH3 COOH, the conjugate base is

Part 1 of 3:

For HBr, the conjugate base is Br-

Part 2 of 3:
For HCOOH, the conjugate base is HCOO-

Part 3 of 3:
For CH3COOH, the conjugate base is CH3COO-