Answer:
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68.7g
molar mass of Ba(137.327)x (.500)= 68.6635
.500 has 3 sig figs.
The Fe charge is 2+ and the O charge is 2- so the ratio is 1:1
FeO
Methene (non existent) would be an alkene and therefore would need a carbon to carbon double bond, since it only has one carbon it can't bond to another, this is why the lowest alkene is ethene (C2H4). i hope this helps
<span>what is the atomic mass of an atom of aluminum?
</span>b.13
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