Mathematics
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●類題7.銅金屬溶於硝酸溶液的反應式如下:(原子量
Cu(s) +4HNO3(aq) → Cu(NO3)2(aq) +2NO2(g) + 2H2O(l)
若將6.35克銅線,完全溶解於2.00M的硝酸溶液,則至少需要硝酸溶液,
約多少毫升?
(A) 50 (B) 100 (C) 150 (D)200 (E) 300。
+ 2H2O
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