The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in__________?

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The number of atoms present in 21.6 gram of silver (atomic weight = 108) are same as the molecules in__________?

A. 1.8 gram of H2O
B. 12 moles of KMnO4
C. 0.6N H2SO4
D. 4.6 gram of C2H5OH