(A)Find the solubility product of a saturated solution of `Ag_(2)CrO_(4)` in water at 298 K if the emf of the cell Ag|Ag+ (saturated. `Ag_(2)CrO_(4)` solution) || Ag+ (0.1 M) | Ag is 0.164 V at 298 K.
(B) What will be the resultant pH when 200 mL of an aqueous solution of HCl (pH = 2.0) is mixed with 300 mL of an aqueous of NaOH (pH = 12.0) ?

Explanation

### Step-by-Step Solution

**Part A: Finding the Solubility Product (Ksp) of Ag₂CrO₄**

1. **Identify the Cell Reactions**:
- At the anode: \( \text{Ag} \rightarrow \text{Ag}^+ + e^- \)
- At the cathode: \( \text{Ag}^+ + e^- \rightarrow \text{Ag} \)

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