conjugate acids and bases

What is the conjugate acid in the following equation? PO43- + HNO₃- <--> HPO₄^2- + NO₃^

• PO₄^3-

• HNO₃

• NO₃^-

• HPO₄^2-

What is the conjugate base in the following reaction?

HCl + HCO₃^- <--> Cl^- + H₂CO₃

• HCO₃^-

• HCl

• H₂CO₃

• Cl^-

In the reaction: HCl + NH₃ ----> NH₄⁺ + Cl^-, HCl is acting as a(n)

• Bronsted-Lowry base Conjugate base

• Bronsted-Lowry base

• Bronsted-Lowry acid

• Bronsted-Lowry conjugate acid

NH₃ + H₂O --> NH₄⁺ + OH^{-
What is the conjugate acid according the Bronsted-Lowry model?}

• NH₃
• H₂O
• NH₄⁺
• OH^-

NH₃ + H₂O --> NH₄⁺ + OH^-
According to the Bronsted-Lowry model, what is H₂O in this reaction?

• acid
• base
• conjugate acid
• conjugate base

OH^- + HPO₄^-2 --> H₂O + PO₄^-3

What is the conjugate base?

• OH^-

• HPO₄^-2

• H₂O

• PO₄^-3

OH^- + HPO₄^-2 --> H₂O + PO₄^-3

What is the acid?

• OH^-

• HPO₄^-2

• H₂O

• PO₄^-3

OH^- + HPO₄^-2 --> H₂O + PO₄^-3

What is the conjugate acid?

• OH^-

• HPO₄^-2

• H₂O

• PO₄^-3

What is the conjugate base in the following equation?

• PO₄^3-

• HNO₃

• NO₃^-

• HPO₄^2-

In the reaction HCl + H₂O --> H₃O⁺ + Cl^-, what is the conjugate acid?

• HCl
• H₂O
• H₃O⁺
• Cl^-