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Aká je molova koncentrácia nasýteného roztoku KNO3 ak:
pri 50°C sa v 100g vody rozpustí 80g látky
M(KNO3)= 101 g/mol
Hustota KNO3 = 1,224 g/cm³
Jana išla na bicykli do kopca 3 km a trvalo jej to 15 min., potom po rovine 10 km a trvalo jej to 20 min. Z kopca 7 km a trvalo jej to 10 min. Aká bola jej priemerná rýchlosť?
Príklad znie : Porovnajte genotypy a fenotypy 1. a 2.generácie pri úplnej a neúplnej dominancii. Červená farba rajciakov je dominantná nad žltou farbou a guľatý tvar je dominantná nad vajcovitou.…
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