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Prosím pomůžete at vím jak na to ?
Dobrý den, mohla bych poprosit o pomoc s výpočtem. Pokaždé mám jiný výsledek. Zkouším různé metody........
Zdravím, už několik hodin sedím nad tímto příkladem a absolutně netuším, jak jej spočítat. Proto prosím o pomoc. Vypočtěte pH roztoku, který vznikne smísením 2 molů kyseliny HCl s 60g zinku (Mr=65…
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