Chapter 12, Problem 12.35P

(a)

Interpretation Introduction

Interpretation:

Moles of $\text{PbO}$ that will dissolve in $1\text{ L}$ solution with fixed $\text{pH}$ of 10.5 has to be calculated.

Concept Introduction:

Systematic treatment of any chemical equilibrium involves steps indicated as follows:

• Pertinent reactions possible for the system are written.
• Charge balance and mas balance equation are written.
• Equilibrium constant corresponding to equation written are listed.
• Equations are solved to find unknown from available equations.

(b)

Interpretation Introduction

Interpretation:

Moles of ${\text{PbOH}}^{+}$ that will dissolve in $1\text{ L}$ solution has to be calculated.

Concept Introduction:

Refer to part (a).

(c)

Interpretation Introduction

Interpretation:

Moles of $\text{PbO}$ that will dissolve in $1\text{ L}$ solution at fixed $\text{pH}$ of 10.5 with activity coefficients have to be calculated.

Concept Introduction:

Refer to part (a).