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 Form 3 Chemistry Questions and Answers on The Mole

#(NH_4 )_2 HPO_4# is a fertilizer used by farmers to boost their crop production. a).Calculate the mass of phosphorous in a 20 kg packet of #(NH_4 )_2 HPO_4# (N =14.0;H = 1.0;P = 31.0;O = 16.0) b).State one advantage of the fertilizer, #( NH_4 )_2 HPO_4# ,over urea #CO(NH_2)_2#
(KCSE 2018 paper 1 question 27.)

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