How many formula units are in 0.25 mole of Na2O?

A)4.5 x 1023

B)0.75

C)1.5 x 1023

D)4.2 x 10-25

E)0.25

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# How many formula units are in 0.25 mole of Na2O?

A)4.5 x 1023

B)0.75

C)1.5 x 1023

D)4.2 x 10-25

E)0.25