Calculate the number of `Cl^(-)` ions in 100 ml of 0.001 M HCl solution.

Explanation

To solve the problem of calculating the number of `Cl^(-)` ions in 100 ml of 0.001 M HCl solution, we can follow these steps:

### Step 1: Understand the Molarity
Molarity (M) is defined as the number of moles of solute per liter of solution. Here, we have a 0.001 M HCl solution.

### Step 2: Calculate Moles of HCl in 100 ml
Since molarity is given in moles per liter, we need to convert 100 ml to liters:
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