1. What is Density?

Density is a physical property of matter defined as mass per unit volume. It describes how much matter is packed into a given space and is typically measured in grams per milliliter (g/mL) for liquids and solids.

2. How Does the Calculator Work?

The calculator uses the density equation:

Where:

• \( D \) — Density (g/mL)
• \( M \) — Mass (g)
• \( V \) — Volume (mL)

Explanation: The equation calculates how much mass exists in each unit of volume of a substance.

3. Importance of Density Calculation

Details: Density is crucial for identifying substances, determining purity, and understanding buoyancy. It's used in chemistry, physics, engineering, and material science.

4. Using the Calculator

Tips: Enter mass in grams and volume in milliliters. Both values must be positive numbers. For accurate results, measure mass and volume precisely.

5. Frequently Asked Questions (FAQ)

Q1: What's the density of water?
A: Pure water at 4°C has a density of exactly 1 g/mL, which serves as a reference point for other substances.

Q2: How does temperature affect density?
A: Most substances expand when heated (lower density) and contract when cooled (higher density), with water being a notable exception between 0-4°C.

Q3: What's the difference between density and specific gravity?
A: Specific gravity is the ratio of a substance's density to water's density, making it a dimensionless quantity.

Q4: Why do some objects float?
A: Objects float when their average density is less than the fluid they're in, according to Archimedes' principle.

Q5: How precise should my measurements be?
A: For scientific work, measure mass to at least 3 decimal places (0.001 g) and volume precisely using graduated cylinders or volumetric flasks.