Chemistry a level help
Help! For this question I don’t get how they drew the esters because the mr of J on the markscheme is 136 but in the table it says it should be 152
(edited 1 year ago)
Original post by Alevelhelp.1
Help! For this question I don’t get how they drew the esters because the mr of J on the markscheme is 136 but in the table it says it should be 152
I agree with the MS.
The molecular formula of the bit of the ester that they’ve given you is C7H5O3R.
Can you calculate the Mr of C7H5O3? The Mr of the R group should be 152 - the Mr of C7H5O3.
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