Предмет: Химия, автор: hornetpath

СРОЧНО ПОМОГИТЕ ПОЖАЛУЙСТА ДАЮ 28 БАЛЛОВ Відносна молекулярна маса сполуки Фосфору із Сульфуром - 222. Відомо, що ії склад можна подати формулою P2Sx . Визначте індекс х.

Ответы

Автор ответа: alexpro110282

Ответ:

знаходимо массу сірки - 222-31*2=160

потім ділимо на відносну масу сірки - 160/32=5 = P2S5 = 2+5=7

Объяснение:

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