oblicz stezenie molowe roztworu NaCl, jezeli w 400 cm szesciennych tego roztworu sa 2 mole NaCl
n=2mole
400cm=0,4dm3 <-czyli v=0,4dm3Cm=n/v
Cm=2/0,4
Cm = 5mol/dm3
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n=2mole
400cm=0,4dm3 <-czyli v=0,4dm3
Cm=n/v
Cm=2/0,4
Cm = 5mol/dm3