What is the conjugate base of water?

What is the effect on equilibrium when sodium acetate is added to a solution of acetic acid? CH3COOH(aq) H+(aq) + CH3COO–(aq)

A 10.0-mL sample of 0.75 M CH3CH2COOH is titrated with 0.30 M NaOH. What is the pH of the solution after 22.0 mL of NaOH have been added to the acid?

When a weak acid is titrated with a weak base, the pH at the equivalence point

Write the ion product expression for calcium phosphate, Ca3(PO4)2.

When a weak acid is titrated with a weak base, the pH at the equivalence point

Which pair of substances is capable of forming a buffer in aqueous solution?

What is the pH of a 0.014 M Ca(OH)2 solution?

Below is a titration curve for the titration of 50.0 mL of a 0.100 M solution of the weak acid HA with a 0.100 M solution of NaOH.     What is the approximate pKa of HA?

Suppose 50.0 mL of a 0.100 M solution of the weak acid HA is titrated with a 0.100 M solution of NaOH. Which diagram best represents the equilibrium composition of the solution once 25.0 mL of titrant have been added? (Solvent water molecules are omitted for clarity.)