Предмет: Химия, автор: latariakristina2019

.Знайти масову частку солі в розчині масою 300 г, якщо в воді її 30 г та масу води. срочно!!! будь ласка ​

Ответы

Автор ответа: vrublikliliya
1

Ответ:

1)300-30=270(г)-води

2)270/30=9(част)- води у розчині

У розчині сіль до води відноситься як 1:9

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