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Stoichiometry: Avogadro’s number and molecular calculations Virtual Lab

Define and calculate key molecular parameters based on Avogadro’s Law and learn about the relationship between mass, molecular weight, and numbers of atoms or molecules!

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Stoichiometry: Avogadro’s number and molecular calculations

About this Simulation

This short, targeted simulation is adapted from the full-length “Stoichiometric Calculations” simulation.

How many moles of sand grains has the Sahara desert? What is the only equation you´ll ever need in chemistry? The short stoichiometry simulation will help you answer those questions! Follow the footsteps of great chemists and learn about key molecular parameters based on one and only star of chemistry calculations: Avogadro’s Law! 

Concept mole and Avogadro’s Law

Your first mission in this short simulation is to familiarize yourself with the concept of mole and the way of counting molecules of substances using the one and only Avogadro’s Law. You will learn how to convert huge numbers of particles into handy Avogadro’s number, extensively used by all chemists around the world! 

Chemical units relationship

Next, you will explore the relationship between mass, molecular weight, and number of atoms. This magical equation will enable you to perform derivations of molecular quantity parameters for various chemical substances. You will feel like Marie Curie analysing chemical dependencies of chemicals in her french laboratory! 

Use theoretical knowledge in practice: 

When you learn about those concepts of Avogadro’s number and unit conversion of molecular quantity parameters, jump to the second stoichiometry short simulation “Stoichiometry: Gravimetric Analysis” to use this theoretical knowledge in practice and discover the name of the unknown chemical in the Labster chemistry lab!

Learning Objectives

At the end of this simulation, you will be able to:

  • Explain relationship between mass, molecular weight, and numbers of atoms or molecules

  • Perform conversion and derivations calculations using key molecular quantity parameters

  • Define Avogadro’s number and describe the mole quantification of matter

Techniques in Lab

At the end of this simulation, you will be able to:

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