What is the S.I. unit of molarity?

Explanation

To determine the S.I. unit of molarity, we can break down the concept step by step:

### Step 1: Understand Molarity
Molarity (M) is defined as the concentration of a solution. It is the number of moles of solute present in one liter of solution.

### Step 2: Define the Components
- **Moles of solute**: The amount of substance measured in moles (mol).
- **Volume of solution**: The volume of the solution in liters (L).
...