How do we know baptism is connected to the remission of sins?

Baptism is connected to the remission of sins in that it serves as a public declaration of faith in Christ, who has accomplished complete atonement for our sins through His blood. In Acts 2:38, Peter instructs the believers to be baptized for the remission of sins, linking the act of baptism to the transformative reality of faith in Christ's sacrifice. While baptism itself does not remit sins, it is a sign that believers acknowledge the work of Christ that has already provided remission. Therefore, when we are baptized, we symbolically declare that we recognize Christ's work in putting away our sins.