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x=3y
2z=x+y
x+y+z=212g
y=35,(3)g x=106 z=70,(6)
Mmol=106g
35,33---0,33 mola
106---1mol
70,66---0,66mola
Cmol:(skoro r-r ma 2dm3 objetości to trzeba ilość moli podzielić na 2)
y--0,17 mol/dm3
x--0,5 mol/dm3
z--0,33 mol/dm3