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SAT® Subject Test in Chemistry

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Moderate

Molecular, Not Empirical

SATCHM-T4EGVY

Which choice is a molecular formula but NOT an empirical formula?

A

$H_2O$

B

$Fe_2O_3$

C

$2H_2O_2→ 2H_2O + O_2$

D

$Na_2Cl_2$

E

$N_2O_4$