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Cambridge IGCSE Chemistry practice

Paper 4 structured question: The mole and the Avogadro constant

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The mole and the Avogadro constant

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Paper 4Theory (Extended)1 marks

Gas volume calculations in a chemical reaction.

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Gas Volume Calculation

When 2 moles of carbon dioxide are produced in a reaction, calculate the volume at r.t.p.

  1. a

    State the volume of carbon dioxide produced at r.t.p.

    Aim for approximately 1 distinct marking point.

    [1]

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Paper 4 structured question: The mole and the Avogadro constant

Paper 4Theory (Extended)1 marks

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Gas Reaction Example

In a reaction, 1 mole of hydrogen gas reacts with 1 mole of oxygen gas to produce 2 moles of water vapor.

  1. a

    State the volume of water vapor produced at r.t.p.

    Aim for approximately 1 distinct marking point.

    [1]