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pH roztoku H2SO4 je 1,097. Vypočítajte koncentráciu roztoku kyseliny sírovej
(log 8 = 0,903; log 4 = 0,602; antilogaritmus -1,097= 0,07998)
správne odpovede: 0,04mol/l, 40mmol/l
Vedel by mi prosím niekto poradiť ako vypočítať tento príklad? Ďakujem za pomoc
Dobrý deň, chcela by som sa vás spýtať, kedy ide vo vete o prísudok, ak sa v jednoduchej vete nachádzajú viaceré plnovýznamové slovesá. Napr: Znalosť cudzích jazykov ti pomôže sa dorozumieť v…
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