Предмет: Химия, автор: tyawina53

составить формулу вещества с массовыми долями элементов: углерод 12,5%, водород 8,3%, кислород 50%, азот 29,2%

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Автор ответа: Darkness21

Углерод 12,5%, водород 8,3%, кислород 50%, азот 29,2%

12,5% 8,3% 50% 29,2%
Cx Hy Oz Np
12 1 16 14

x:y:z:p = 12,5/12 : 8,3/1 : 50/16 : 29,2/14 = 1,04 : 8,3 : 3,125 : 2,09 = 1 : 8 : 3 : 2 ==> CH8O3N2

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