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OCR Specimen Questions [PLEASE HELP] [Post your own here if you want] watch

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    I have this question.
    Which reagent would exactly neutralise 100cm3 of 1moldm-3 H2So4(aq)?

    A. 0.100 mol Al(OH)3
    B. 0.100 mol NH3
    C. 0.100 mol Ba(OH)2
    D. 0.100 mol NaOH

    I did calculate that I needed 0.1 mol of a substance to be neutralised, but I am confused why it is C and not D.
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    (Original post by nwmyname)
    I have this question.
    Which reagent would exactly neutralise 100cm3 of 1moldm-3 H2So4(aq)?

    A. 0.100 mol Al(OH)3
    B. 0.100 mol NH3
    C. 0.100 mol Ba(OH)2
    D. 0.100 mol NaOH

    I did calculate that I needed 0.1 mol of a substance to be neutralised, but I am confused why it is C and not D.
    Sulfuric acid is dibasic, i.e. it provides two hydrogen ions per mol.
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    (Original post by charco)
    Sulfuric acid is dibasic, i.e. it provides two hydrogen ions per mol.
    Got you!
    One favour, can you or a community leader make this thread a priority thread such that other people who want to ask specimen paper questions can do it on this thread?

    This would help people who are struggling on specimen papers to ask questions and create a 'question bank'
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    (Original post by nwmyname)
    Got you!
    One favour, can you or a community leader make this thread a priority thread such that other people who want to ask specimen paper questions can do it on this thread?

    This would help people who are struggling on specimen papers to ask questions and create a 'question bank'
    I have no special powers ...

    ... I am a mere nobody.
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    (Original post by charco)
    I have no special powers ...

    ... I am a mere nobody.
    Liar! I saw you flying the other day.

    And you were invisible.

    Or at least I thought it was you.
 
 
 
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