Problem: How many atoms are contained in one formula unit of aluminum dichromate, Al2(Cr2O7)3?a. 14b. 25c. 27d. 29e. none of these

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How many atoms are contained in one formula unit of aluminum dichromate, Al2(Cr2O7)3?

a. 14

b. 25

c. 27

d. 29

e. none of these

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