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    hi guys
    I am actually giving U4 exam on 12 jan and wanted to ask if anyone has the june 2016 Edexcel GCE U4 R paper? I couldn't find it anywhere
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    Anyone gave the paper today? How was it?

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    mine was okay. What was your order of reaction from finding half life
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    Order of reaction was one
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    The exam was easy
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    What did you guys get for the mass of sodium lactate?
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    (Original post by Matt_levar)
    What did you guys get for the mass of sodium lactate?
    23.something grams

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    What was the PH4 of lactic acid , 4. Something?
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    And the the reaction between excess PCL5 and lactic acid
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    There was an MSQ about gas chromatography , was the answer D ?
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    (Original post by Mustafa.a999)
    What was the PH4 of lactic acid , 4. Something?
    I think it was 2.something

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    (Original post by Mustafa.a999)
    And the the reaction between excess PCL5 and lactic acid
    U had to remove both OH and add cl so it would be ch3ch(cl)cocl

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    Do you remember the key details of the question where you had to find the mass of sodium lactate?
 
 
 
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