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    (Original post by MBrooke)
    I got 0.23 but I don't reckon thats right, I got like 0.6 for mass I think
    What was the first calculation any way???? I forgot lol


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    (Original post by Kira Yagami)
    Pretty sure I got the first 2 1 mark calc wrong.

    0.23 and like 0.5 something grams..

    Did you put 0.74 for the mole % of Kno3 ?
    For the percentage I got 33.something%


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    (Original post by Kwaks)
    Ooooooooo thank you


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    fml good luck to you Ima go and study now....should have practiced the math part see you in two weeks time ahaha
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    For the first one did:

    192/23 = 8.347826.......
    Ans X 100 = 834.7826....g


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    (Original post by Kwaks)
    For the percentage I got 33.something%


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    Something about moles of something lol

    Like oxygen is 23%

    So i did 100 23/100
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    (Original post by sam2222)
    fml good luck to you Ima go and study now....should have practiced the math part see you in two weeks time ahaha
    Ahaha see you soon 👍


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    (Original post by Kwaks)
    For the first one did:

    192/23 = 8.347826.......
    Ans X 100 = 834.7826....g


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    oh shiiiiit I think I did that...but then I don't know if I crossed it out.... fuccck
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    (Original post by Kira Yagami)
    Something about moles of something lol

    Like oxygen is 23%

    So i did 100 23/100
    I did:

    192/23 = 8.347826.......
    Ans X 100 = 834.7826....g

    Because you have to work out the mass of air and you already know how much oxygen you have in that air. (I don't know if that is right)



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    (Original post by sam2222)
    oh shiiiiit I think I did that...but then I don't know if I crossed it out.... fuccck
    Yeahhhh at first I thought the number was way too big


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    I got the same for all, apart from the KNOW one. I knew the answer I got was probably wrong lol
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    (Original post by MBrooke)
    I got 0.23 but I don't reckon thats right, I got like 0.6 for mass I think
    I put 0.059 for the mass
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    also before I go what equation did you guys put the for the reaction Mg with water I put Mg(s) + 2H2O(l) ---> Mg(OH)2 (aq) + H2(g)
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    This paper was similar to the last years soI'd say about 45 ish for an A 44-46 for an A maybe.
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    (Original post by sam2222)
    also before I go what equation did you guys put the for the reaction Mg with water I put Mg(s) + 2H2O(l) ---> Mg(OH)2 (aq) + H2(g)
    I got the exact same thing


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    (Original post by Kira Yagami)
    This paper was similar to the last years soI'd say about 45 ish for an A 44-46 for an A maybe.
    I hope they make it even lower lol 😂 since its the last year. But we all know examiners aren't that nice 😂


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    (Original post by Kwaks)
    I got the exact same thing


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    Same
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    So stupid for that magnesium equation I did everything correct...

    BUT I PUT M INSTEAD OF MG ...

    how many marks would I lose
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    (Original post by meg16)
    Same
    I wasn't sure if the Mg(OH)2 was solid or aqueous 😩


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    (Original post by Kira Yagami)
    So stupid for that magnesium equation I did everything correct...

    BUT I PUT M INSTEAD OF MG ...

    how many marks would I lose
    Oh crap! I think it was only two. 1 for the equation and 1 for state symbols. I'm sure you'll be fine 👍


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    (Original post by Kwaks)
    Oh crap! I think it was only two. 1 for the equation and 1 for state symbols


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    Do you think, if they're nice I put get the mark for the correct equation too?

    Oh man lol what is wrong with me... Like I do the 'hard' part right...
 
 
 
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