Question

在硝酸銨樣品中氮元素的質(zhì)量分?jǐn)?shù)為33.6%，求樣品中硝酸銨的質(zhì)量分?jǐn)?shù)（雜質(zhì)中不含氮）．

Answer 1

NH₄NO₃中氮元素的質(zhì)量分?jǐn)?shù)為：

14×2

14×2+1×4+16×3

×100%=35%，樣品中硝酸銨的質(zhì)量分?jǐn)?shù)=

33.6%

35%

×100%=96%．
答：樣品中硝酸銨的質(zhì)量分?jǐn)?shù)為96%．