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41. 血液中個紅血球約含有 2.90 克鐵,則每個紅血球中平均有多少個鐵原子?(Fe 的原子質量為 55.85 g\/mol) (A) 1.20 × 109 (B) (C)(D)
問題詳情
41. 血液中
個紅血球約含有 2.90 克鐵,則每個紅血球中平均有多少個鐵原子?(Fe 的原子質量為 55.85 g/mol)
(A) 1.20 × 109
(B)
(C)
(D)
參考答案
答案:A
統計:A:49,B:1,C:1,D:2,E:0
難度:非常簡單
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