OCR Chemistry AS Depth Thursday 23rd 2019 Unofficial Markscheme

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HasooK
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Upload all your thoughts and answers here for the as chemistry depth paper from today. What did you lot think of it?
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ben.ashmore
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What did you get for X in SrCl2 x H2O? I got 5.8 when not rounding any other calcs but 5.9 when rounding. I went with 5.8 in the end. Overall I felt like it was a good paper, the 6 markers were nice too
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HasooK
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I put 6, but i think its wrong. What did everyone else get?
(Original post by ben.ashmore)
What did you get for X in SrCl2 x H2O? I got 5.8 when not rounding any other calcs but 5.9 when rounding. I went with 5.8 in the end. Overall I felt like it was a good paper, the 6 markers were nice too
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Ebonyw02xox
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How many grams of hexan-1-ol did you all get? And what did you put for the fertilisation question about mgNo3?
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ben.ashmore
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(Original post by HasooK)
I put 6, but i think its wrong. What did everyone else get?
Yeah at first I rounded 5.9 to 6 but then saw the question asked for 2sf so I assumed you were supposed to get a decimal
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gracehwd
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(Original post by ben.ashmore)
Yeah at first I rounded 5.9 to 6 but then saw the question asked for 2sf so I assumed you were supposed to get a decimal
Uhh anyone else get 11?
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danyy2121
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I got 13.43 but forgot to divide it by 2 because of h2o
(Original post by gracehwd)
Uhh anyone else get 11?
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HasooK
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Yeah you had to divide it by 2
(Original post by danyy2121)
I got 13.43 but forgot to divide it by 2 because of h2o
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bzz567
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i have the test at 2 helppp
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gracehwd
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Why did you divide by 2?
Don’t you just divide the mass by 18 then by the smallest one to get the ratio
(Original post by HasooK)
Yeah you had to divide it by 2
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HasooK
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I really dont know, coz theres two hyrdogen molecules i think
(Original post by gracehwd)
Why did you divide by 2?
Don’t you just divide the mass by 18 then by the smallest one to get the ratio
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HasooK
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What did you guys put for the other 6 markers?
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james161717886
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Understandable mistake
(Original post by HasooK)
I really dont know, coz theres two hyrdogen molecules i think
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Dfffggv
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What topics did you think you did well? And which did you struggle with?
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HasooK
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Struggled with the fertilizer question. What was that even about???!!!!!
(Original post by Dfffggv)
What topics did you think you did well? And which did you struggle with?
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TheV1llain27
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Hi Guys

Can u tell me which topics came up in the paper? Many Thanks
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Pav2001
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(Original post by Ebonyw02xox)
How many grams of hexan-1-ol did you all get? And what did you put for the fertilisation question about mgNo3?
8.16
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james161717886
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What did u get for the first question
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dylan_sian
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i got that too

(Original post by Pav2001)
8.16
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dylan_sian
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(Original post by james161717886)
What did u get for the first question
the definition of relative atomic mass?
or the abundance one forgot which was first
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