Which ion is the conjugate base of #H_3PO_4#?

Related questions

• How does a conjugate base differ from the acid hbr?
• How do you find conjugate base concentration?
• How do you identify conjugate acid base pairs?
• What conjugate base(s) will deprotonate water?
• What is the conjugate acid of #HCO_3^-#?
• Why is the conjugate base of a strong acid weak?
• What is the conjugate base of h2so4?
• Why are weak acids and bases poor electrical conductors?
• How can I identify conjugate acids and bases?
• How do strong acids react in water?