Let the solubilities of `AgBr` in water and in `0.01M CaBr_(2), 0.01M KBr`, and `0.05M AgNO_(3)`be `S_(1), S_(2),S_(3)` and `S_(4)`, respectively. Give the decreasing order of the solubilities.

Explanation

To determine the decreasing order of solubility of AgBr in different solutions, we need to analyze how the presence of common ions affects the solubility of AgBr.

### Step-by-Step Solution:

1. **Understanding the Dissociation of AgBr**:
- AgBr dissociates in water as follows:
\[
\text{AgBr} \rightleftharpoons \text{Ag}^+ + \text{Br}^-
...