In this lesson, we will learn how to define the mole in terms of Avogadro’s constant and convert the mass of a substance to an amount of moles.
Sample Question Videos
What is the mass of 0.443 mol of hydrazine ? Give your answer to 1 decimal place.
Sulfuric acid has a relative formula mass of 98 g/mol. What is the mass of 2.5 mol of sulfuric acid?
Ammonia has a relative formula mass of 17. How many moles of ammonia molecules are there in 34 g of ammonia?