某不純的硝酸銨樣品中含氮元素質(zhì)量分?jǐn)?shù)為31.5%.則該硝酸銨的純度是 A. 34.3% B. 65.7% C. 90% D. 96% 查看更多

 

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某不純的硝酸銨樣品(雜質(zhì)不含氮)中NH4NO3的質(zhì)量分?jǐn)?shù)(即樣品的純度)為80%,計(jì)算該樣品中氮元素的質(zhì)量分?jǐn)?shù).
 

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某不純的硝酸銨樣品(雜質(zhì)不含氮)中NH4NO3的質(zhì)量分?jǐn)?shù)(即樣品的純度)為80%,計(jì)算該樣品中氮元素的質(zhì)量分?jǐn)?shù).______.

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某不純的硝酸銨樣品(雜質(zhì)不含氮)中NH4NO3的質(zhì)量分?jǐn)?shù)(即樣品的純度)為80%,計(jì)算該樣品中氮元素的質(zhì)量分?jǐn)?shù).______.

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某不純的硝酸銨樣品(雜質(zhì)不含氮)中NH4NO3的質(zhì)量分?jǐn)?shù)(即樣品的純度)為80%,計(jì)算該樣品中氮元素的質(zhì)量分?jǐn)?shù).______.

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某不純的硝酸銨樣品(雜質(zhì)不含氮)中NH4NO3的質(zhì)量分?jǐn)?shù)(即樣品的純度)為80%,計(jì)算該樣品中氮元素的質(zhì)量分?jǐn)?shù).________.

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