Предмет: Химия, автор: sliza9159

Укажи масову частку лугу у розчині, масою 130 г, який містить 15,3 г натрій гідроксиду.

Ответы

Автор ответа: Artyomstern

1

Ответ:

m(розч) = 130 г

m(NaOH) = 15,3 г

W(NaOH) = (15,3 : 130) × 100% = 11,77%

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