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Higher ChemistrySource-linked · free

Calculations

Moles, masses and reaction quantities

Convert to amounts of substance and use the balanced-equation ratio.

One skill · 8 sittings · original source PDFs.

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18 linked pages in 2024. The different years are examples of this same skill family, not additional types.

  • 2024 · Paper 1 Multiple choice

    Official PDF

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    2024 marking · Paper 1 Multiple choice (PDF opens in a new tab)
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  • 2024 · Paper 1 Multiple choice

    Official PDF

    PDF viewer page 3. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 1 Multiple choice (PDF opens in a new tab)
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    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 1 Multiple choice

    Official PDF

    PDF viewer page 6. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 1 Multiple choice (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 1 Multiple choice

    Official PDF

    PDF viewer page 7. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 1 Multiple choice (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 2. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
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    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 4. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 7. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 11. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
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    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 16. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 17. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

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    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 22. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 26. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

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  • 2024 · Paper 2

    Official PDF

    PDF viewer page 27. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

    Resolve the account loading or saving message above before changing this record.

  • 2024 · Paper 2

    Official PDF

    PDF viewer page 28. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

    Resolve the account loading or saving message above before changing this record.

  • 2024 · Paper 2

    Official PDF

    PDF viewer page 30. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

    Resolve the account loading or saving message above before changing this record.

  • 2024 · Paper 2

    Official PDF

    PDF viewer page 31. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

    Resolve the account loading or saving message above before changing this record.

  • 2024 · Paper 2

    Official PDF

    PDF viewer page 33. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

    Resolve the account loading or saving message above before changing this record.

  • 2024 · Paper 2

    Official PDF

    PDF viewer page 34. Choose the question or subpart testing moles, masses and reaction quantities; an exact question number and mark total have not been source-checked yet.

    Open paper-page example (PDF opens in a new tab)
    Check the published marking instructions

    Match the question number in the paper. These links open complete marking PDFs; a matching marking page has not been inferred.

    2024 marking · Paper 2 (PDF opens in a new tab)
    Return here to record your attempt

    Attempt the question in your own notes, check the published marking, then record completion here. These are your own marks, not a verified result. Leave your marks empty to record completion only; if you enter a mark, include its total.

    Use the label in the PDF, not its viewer page number.

    Resolve the account loading or saving message above before changing this record.

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