Предмет: Химия, автор: makarenkonasta908

Срочно дам 50 балов!!!
Скільки л HF треба розчинити в 1 літрі води, щоб добути розчин Форогодневої кислоти з масовою часткою HF 2.44%.

Ответы

Автор ответа: serdukbogdan572

Ответ:

Вам потрібно розчинити 24.4 г HF

Объяснение:

щоб отримати 1 літр розчину Форогодневої кислоти з масовою часткою HF 2.44%. Масова частка вказує на кількість речовини у відсотках від загальної маси розчину. Таким чином, 2.44% від 1000 г (1 л) складатимуть 24.4 г HF

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