Problem: How many formula units are in 0.25 mole of Na 2O? 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 Na 2O?

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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