ile tlenu wzięto do reakcji z 20g jeżeli otrzymano 80g tlenku sodu?
CHEMIA pomocy .. !!!
4Na + O2 -------> 2 Na2O
20g xg 80g
20 + x= 80
x= 60 g
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4Na + O2 -------> 2 Na2O
20g xg 80g
20 + x= 80
x= 60 g