Tutorial
AQA GCSE Chemistry: Master Molar Solutions and Gas Volumes (Higher Tier)
Covers calculating concentration in moles per decimetre cubed and converting between mol/dm³ and g/dm³. Also covers calculations involving the volume of gases, using the molar gas volume.
Tutorial
AQA GCSE Chemistry: Master Molar Solutions and Gas Volumes (Higher Tier)
Covers calculating concentration in moles per decimetre cubed and converting between mol/dm³ and g/dm³. Also covers calculations involving the volume of gases, using the molar gas volume.
Management & Tools
Deck Contents
28 CardsLesson#1
Welcome to this deck on molar solutions and gas volumes. This is Higher Tier content, and it builds on your knowledge of moles. We will cover how to calculate the concentration of solutions in moles per decimetre cubed, and how to calculate the volume of gases.
Lesson#2
First, let's look at concentration. In chemistry, concentration tells us how much of a substance, called the solute, is dissolved in a certain volume of a solvent. For Higher Tier, you need to be able to calculate concentration in moles per decimetre cubed. A decimetre cubed is the same as one litre, or one thousand cubic centimetres.
Quiz#3
In GCSE Chemistry, what are the units for concentration when calculating with moles and volume in decimetres cubed?
moles per decimetre cubed
Quiz#4
How many cubic centimetres are there in one decimetre cubed?
1000
Lesson#5
The equation linking these quantities is: concentration equals the number of moles divided by the volume. It's crucial that the volume is in decimetres cubed. If you are given the volume in cubic centimetres, you must divide by one thousand to convert it first.
Quiz#6
What is the equation linking concentration, moles, and volume?
concentration equals moles divided by volume
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