Предмет: Химия, автор: annasecka908

зробіть пж...
Срочно надо

Приложения:

Ответы

Автор ответа: baaqdau1eet

0

Ответ:

А) 25г

Объяснение:

потому что 250г * 10% = 25г

проверим еще раз: 25/250= 0,1

0,1 = 10%

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