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6,02*10^23 cząst. H2-----22,4dm3
0,0301*10^23 cząst. H2-----xdm3
x=0,112dm3
Zad 2.
mC2H6=30u
30g etanu-------6,02*10^23 cząst.
xg etanu--------0,602*10^23 cząst.
x=3g etanu