Introduction to Moles and Conversion of Grams to Moles

The video tutorial explains the concept of moles in chemistry, highlighting their usefulness in measuring chemical substances. It introduces Avogadro's Constant and demonstrates how to convert between grams and moles using the relative formula mass. The tutorial includes practical examples, such as calculating the mass of hydrogen gas and ethanol, and determining the number of moles in oxygen gas and calcium carbonate.

What is a mole and why is it a useful unit in chemistry?

What is Avogadro's Constant and what does it represent?

How do you convert grams to moles using the relative formula mass?

Calculate the mass of 1 mole of hydrogen gas and explain your reasoning.

What is the relative formula mass of ethanol and how is it calculated?

How many moles are present in 64 grams of oxygen gas? Show your calculations.

Explain the process of determining the number of moles in 500 grams of calcium carbonate.