Experiment 4: A Gravimetric Analysis

Question 1

What is the fundamental difference between gravimetric and volumetric analysis

Answer 1

• gravimetric = based on masses

- volumetric = based on volume of gases or liquids

Question 2

What are hygroscopic substances and what are they used for?

Answer 2

• They are substances that absorb moisture from the atmosphere without dissolving in it
• used as drying agents
• attract water from their surroundings