Interpretation:
Moles of
Concept Introduction:
Systematic treatment of any
- 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.
Explanation of Solution
Formula to calculate
Substitute 10.50 for
In aqueous solution self-ionization of water occurs as follows:
Corresponding ionic product expression is written as follows:
Rearrange equation (2) to obtain
Equilibrium of
Corresponding solubility product expression is written as follows:
Substitute equation (3) in equation (4).
Substitute
Hence,
Equilibrium reaction for
Dissociation constant expression is written as follows:
Substitute
Thus,
If activities are included formula to calculate
Substitute
Ionic product expression with activities included is written as follows:
Thus, formula to compute
Substitute
Dissociation constant expression is written as follows:
Substitute
Substitute
Substitute
Solubility product expression with activities included is written as follows:
Substitute 0.455 for
Thus,
Charge balance equation that shows net postive charge equal to net negative charge is formulated as follows:
Mass balance equation is formulated as follows:
Substitute equation (4) and equation (2) in equation (3).
Substitute
Simplify to obtain value of
Substitute
Hence, values of
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