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Chemistry P1 and P2 today

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but what about my reason ... i mean when we find empirecal formula we divide the percentage composition with Ar to find moles ... wasn't the same thing required in that question too ?
Nope, ques said bout mols of NITROGEN only ... they were same in both formulae ...
 
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Who is Imran merchant? He predicts omlevelmpapers or that of matric?
hes a chemistry teacher of o levels, a day before the exam he tells exactly what is going to come, no one knows how he gets to know the whole paper
 
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