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Chemie

Jakou látkovou koncentraci chloridu sodného musí mít roztok, má-li v něm mít koncentrace sodných kationtů hodnotu 150 mmol × dm-3?

Jakou látkovou koncentraci chloridu sodného musí mít roztok, má-li v něm mít koncentrace sodných kationtů hodnotu 150 mmol × dm^-3?