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 Form 3 Chemistry Questions and Answers on The Mole

50 Kg of ammonium sulphate #(NH_4 )_2 SO_4# and 30 Kg of urea #CO(NH_2 )_2# fertilizers were applied in two equal sizes of plots A and B to enrich their nitrogen content. Show by working which plot was more enriched with nitrogen. (N =14; S =32; O =16 ; C =12 ; H = 1) (KCSE 2011 paper question 19.)

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