mHg=201u
mHgO=217u
2HgO----->2Hg + O2
2*217g HgO-------2*201g Hg
100g HgO-----------xg Hg
x=92,6g Hg
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mHgO=201+16=217g/mol
2*217=434g masa 2 moli HgO
434g------402g
100g-----x
x=92,62g
powstanie 92,62g Hg
mHg=201u
mHgO=217u
2HgO----->2Hg + O2
2*217g HgO-------2*201g Hg
100g HgO-----------xg Hg
x=92,6g Hg
100g-----xg
434u-----402u
xg=100g*402u/434u
xg=92,62