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    (Original post by userk 12)
    but B also had two alkenes so couldn't that also be correct ( it also had hydrogen)
    It supposed to have 1 alkene
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    (Original post by Sandy_Vega30)
    ppm - 8x10^-3g

    No. of atoms in an element - there were 5 atoms, so 3.0x10^24.
    It was 3x10^23
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    How?


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    I said the main points I think but I rambled I don't think my handwriting or quality of writing was not too good 🙈 Do u think I will loose marks for quality ??
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    (Original post by Sandy_Vega30)
    How?


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    It was to the power of 24😂 I think
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    (Original post by Sandy_Vega30)
    How?


    Posted from TSR Mobile
    The atoms were 5 first find moles then multipy it by 5 and then avagadro comstant
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    Well, ****. I'm screwed.
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    (Original post by Sandy_Vega30)
    Well, ****. I'm screwed.
    What did u do in it ? U multiplied moles by avagadro only ?
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    (Original post by MrBioBombastic)
    What did u do in it ? U multiplied moles by avagadro only ?
    Forgot to multiply by moles.


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    (Original post by Sandy_Vega30)
    ppm - 8x10^-3g

    No. of atoms in an element - there were 5 atoms, so 3.0x10^24.
    no of atoms : i solved it as
    6*10^23 *0.1 mole *5
    i donot know about ur answer please explain
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    am I the only one thinks that the time to finish the exam was on time ?/
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    (Original post by MrBioBombastic)
    What assumption u made ? I wrote Carbon has Ar of 12 in mass spectrometry question
    My assumption was that C has Ar 12.0000.....
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    (Original post by chemistryAYS)
    what did everyone get in the multiple choice for the amount of moles of water in every hydrated mole of the substance
    I got 6
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    Btw I also wrote D for the reforming MCQ. but with all these opinions I'm not even sure which is supposed to be the correct answer.
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    (Original post by OnTheHorizon)
    Btw I also wrote D for the reforming MCQ. but with all these opinions I'm not even sure which is supposed to be the correct answer.
    what was the question saying and what is mcq ?
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    (Original post by Esmeralda T)
    My assumption was that C has Ar 12.0000.....
    i wrote that the relative atomic mass for carbon is 12 is it correct
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    (Original post by katenell)
    i wrote that the relative atomic mass for carbon is 12 is it correct
    Yes i wrote the same
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    (Original post by Sandy_Vega30)
    Forgot to multiply by moles.

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    Happens ..
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    (Original post by MrBioBombastic)
    Happens ..
    lol wo main is ki baat kr rha tha xD shoka hone wali
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    (Original post by MrBioBombastic)
    Yes i wrote the same
    What are you referring to? mcq? or about the definition for isotopes?
 
 
 
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