6. What mass of styrene (molar mass 104.1 g/mol) contains \(4.50 \times 10^{20}\) molecules of styrene?
(A)\(7.48 \times 10^{-4}\) g
(B)\(7.48 \times 10^{-3}\) g
(C)\(7.78 \times 10^{-2}\) g
(D)0.00778 g
(E)\(7.48 \times 10^4\) g
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統計: 尚無統計資料
統計: 尚無統計資料