How many moles and how many grams of HCI are present in 250 ml of 0.5 M HCl solution?

Explanation

To solve the question of how many moles and how many grams of HCl are present in 250 ml of a 0.5 M HCl solution, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Concept of Molarity**:
Molarity (M) is defined as the number of moles of solute per liter of solution. The formula for molarity is:
\[
\text{Molarity (M)} = \frac{\text{Number of moles}}{\text{Volume in liters}}
...