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Chemistry, 09.12.2020 19:20 melinda12ms

Příklad: Do hrnku s 200 g čaje jsme nasypali 5 g cukru (jeden sáček porco-
vaného cukru). Vypočítejte, kolik procent cukru roztok čaje obsahuje.
K výpočtům můžete použít kalkulátor (obr. 42a, b).

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Příklad: Do hrnku s 200 g čaje jsme nasypali 5 g cukru (jeden sáček porco-
vaného cukru). Vyp...

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