1. What is the Molarity and Volume Equation?

The equation V = n/M relates the volume of a solution to the amount of solute (in moles) and the solution's molarity. It's a fundamental relationship in chemistry for preparing solutions of known concentration.

2. How Does the Calculator Work?

The calculator uses the equation:

Where:

• \( V \) — Volume of solution (L)
• \( n \) — Amount of substance (mol)
• \( M \) — Molarity (mol/L)

Explanation: This equation shows that the volume needed is directly proportional to the amount of substance and inversely proportional to the desired molarity.

3. Importance of Volume Calculation

Details: Accurate volume calculation is essential for preparing solutions with precise concentrations, which is crucial for chemical reactions, biological assays, and medical applications.

4. Using the Calculator

Tips: Enter the amount of substance in moles and the desired molarity in mol/L. Both values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: What units should I use for this calculation?
A: The calculator uses moles for amount and mol/L for molarity, resulting in liters for volume. Convert your measurements to these units before calculation.

Q2: Can I use this for dilutions?
A: Yes, this equation can be used to calculate the final volume needed when diluting a solution to a specific molarity.

Q3: What if my solute is in grams?
A: First convert grams to moles using the substance's molar mass (g/mol), then use this calculator.

Q4: How precise should my measurements be?
A: The precision depends on your application. For most laboratory work, 3-4 significant figures are appropriate.

Q5: Does temperature affect this calculation?
A: The calculation itself is temperature-independent, but molarity can change with temperature due to volume expansion/contraction of the solvent.