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Chemie

Jakou koncentraci v hmotnostních% bude mít roztok, který vznikne rozpuštěním 15 g CaCl2 ve 100 ml vody (hustota vody rovna 1,00 g/cm3)?

Jakou koncentraci v hmotnostních% bude mít roztok, který vznikne rozpuštěním 15 g CaCl₂ ve 100 ml vody (hustota vody rovna 1,00 g/cm³)?