Zadanie 1
2Fe+O2--->2FeO
30g xg 64g
30g+x=64g
x=34 g
Zadanie 2
Fe+S--->FeS
1,5g 10g xg
1,5g+10g=x
x=11,5 g
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Zadanie 1
2Fe+O2--->2FeO
30g xg 64g
30g+x=64g
x=34 g
Zadanie 2
Fe+S--->FeS
1,5g 10g xg
1,5g+10g=x
x=11,5 g