2. mole of O2 contains the same number of oxygen atoms as
(A)0.667 mole of O3.
(B)1.00 mole of CH3CO2H.
(C)2.00 mole of CH3CH20H.
(D)All of the above

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統計： A(3), B(0), C(1), D(5), E(0) #2740155