Предмет: Химия, автор: Анна20052005

Выведите простейшую формулу соединения, котором массовая доля натрия равна 35%, серы - 22.5%, кислорода - 45.1%

Ответы

Автор ответа: lisaalisa060828

Ответ:

во-первых в задаче ошибка.. . кислорода 45,1 %

Na=32.4/23=1.4

S=22.5/32=0.7

O=45.1/16=2.8

каждое из получившихся делим на наименьшее и получаем Na=2. S=1. O=4

Na2SO4

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