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dobry den viete pomoc s vypoctom tvrdosti vody? dakujem
Ahojte, potrebujem pomôcť s touto otázkou :) Ako budú spolu protolyticky reagovať kyselina chloristá a kyselina kyanovodíková?
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Reakciou niklu s kyselinou siričitou vznikne 5g vodíka. Vypočítaj koľko niklu zreagovalo s kyselinou. Vypočítaj objem vzniknutého niklu.
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