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76. 市售鹽酸的重量百分率濃度為35%,比重為1.20。試問,需要取多少量的鹽酸溶解在1L的水中,才能配成0.20 M的鹽酸溶液呢?(A)19.4 mL (B)17.6 mL (C)17.8 mL
問題詳情
76. 市售鹽酸的重量百分率濃度為35%,比重為1.20。試問,需要取多少量的鹽酸溶解在1L的水中,才能配成0.20 M的鹽酸溶液呢?
(A)19.4 mL
(B)17.6 mL
(C)17.8 mL
(D)17.4 mL
參考答案
答案:D
難度:非常困難0
統計:A(1),B(0),C(2),D(0),E(0)
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