Review (GCSE Chemistry)

This lesson will review the triple chemistry content of the quantitative chemistry unit.

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Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.How many atoms are in 1 mole of sodium?

1/5

Q2.What is the mass of 2 moles of Na₂O? Ar of Na = 23, O = 16

2/5

Q3.A student made zinc sulphate in this reaction ZnO(s) + H₂SO4(aq) → ZnSO₄(aq) + H₂O(l). He started with a mass of 9 g of ZnO, what is the maximum mass of zinc sulphate he could obtain?

3/5

Q4.A solution of sugar has a concentration of 3 g/dm³. What is the mass of sugar in 25 cm³ of this solution?

4/5

Q5.Sulfur dioxide reacts with oxygen to produce sulfur trioxide: 2SO₂(g) + O₂(g) → 2SO₃(g) 1.28 g of sulfur dioxide was reacted with 0.5g oxygen. Which is the limiting reactant and why? Relative atomic masses (Ar): sulfur = 32, oxygen = 16

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.How many atoms are in 1 mole of sodium?

1/5

Q2.What is the mass of 2 moles of Na₂O? Ar of Na = 23, O = 16

2/5

Q3.A student made zinc sulphate in this reaction ZnO(s) + H₂SO4(aq) → ZnSO₄(aq) + H₂O(l). He started with a mass of 9 g of ZnO, what is the maximum mass of zinc sulphate he could obtain?

3/5

Q4.A solution of sugar has a concentration of 3 g/dm³. What is the mass of sugar in 25 cm³ of this solution?

4/5

Q5.Sulfur dioxide reacts with oxygen to produce sulfur trioxide: 2SO₂(g) + O₂(g) → 2SO₃(g) 1.28 g of sulfur dioxide was reacted with 0.5g oxygen. Which is the limiting reactant and why? Relative atomic masses (Ar): sulfur = 32, oxygen = 16

5/5

Video

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Worksheet

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Review: Quantitative Chemistry - Triple

This quiz will assess your knowledge from this lesson and previous lessons

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.H₂ (g) + Cl₂ (g) → 2HCl (g). Starting with 4 g of hydrogen, what mass of hydrogen chloride would be produced? (Relative atomic masses: H = 1; Cl = 35.5)

1/5

Q2.Which of these is NOT a reason why the percentage yield is less than 100%?

2/5

Q3.Which of these is a reason for wanting high atom economy?

3/5

Q4.Calculate the number of moles in 20 cm³ of a 1.25 M solution of NaOH.

4/5

Q5.Calculate the volume of O₂ needed to completely burn 18 g of methane (CH₄). Relative atomic mass of C = 12; H = 1.

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Review: Quantitative Chemistry - Triple

This quiz will assess your knowledge from this lesson and previous lessons

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.H₂ (g) + Cl₂ (g) → 2HCl (g). Starting with 4 g of hydrogen, what mass of hydrogen chloride would be produced? (Relative atomic masses: H = 1; Cl = 35.5)

1/5

Q2.Which of these is NOT a reason why the percentage yield is less than 100%?

2/5

Q3.Which of these is a reason for wanting high atom economy?

3/5

Q4.Calculate the number of moles in 20 cm³ of a 1.25 M solution of NaOH.

4/5

Q5.Calculate the volume of O₂ needed to completely burn 18 g of methane (CH₄). Relative atomic mass of C = 12; H = 1.

5/5

Lesson summary: Review (GCSE Chemistry)

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