Предмет: Химия, автор: gorohanastasia414

1. Обчисліть масову частку розчину, утвореного розчиненням 20 г калій
нітрату у воді об'ємом 800 мл.

Ответы

Автор ответа: romchek23
0

Ответ:

Объяснение:

m(речовини) = 20г

m(води) = 800г

m(розчину) = 800 + 20 = 820

w(речовини) = 20 / 820 = 0,024 = 2,4%

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