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Unit Post Test
14
Select the correct answer.
A compound has an empirical formula of C2Hs. What is true about this empirical formula?
OA. It models the structure of the compound.
OB. it shows the ratio of elements in the compound.
Ocit gives the mass of each atom in the compound.
OD. It indicates the number of atoms in the compound.
ОЕ.
It describes only this one compound.
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